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Posts Tagged ‘45 minute intruder’

I am part of a group on Baby Center called Babywise Babies. One of the moms on there had a question about her newborn and how to get her to sleep better. Made me go through a couple of posts that I have written and revisit the newborn stage so I thought I would share some of my experience and thoughts on how to help your newborn sleep better.

1. You need to find the right sleep window for your baby. This it a short window of time that allows your baby to fall asleep faster and easier. If you put your baby down to early he or she might be not tired enough. If you put your baby down too late, your baby might have hit a second wind and have some nervous energy and not be able to relax enough to sleep well.

2. The length of wake time is very important. Most newborns can only handle 30-45 minutes of wake time. Wake time includes the time it takes to feed them as well. So if you wake your baby and nurse for 30 minutes, then you only have about 15 minutes left of wake time at the most.

  • My personal experience: My twin girls had a waketime length of about 40 minutes when they were newborns. It consisted of the following: Nurse, Diaper Change, Immediately Swaddle, Put in Swing or Bouncers, Watch for their eyes to get heavy, Pick up and put them in their crib, AHHH Napping! To a list of schedules I kept with my twins click here.

3. Remember that Newborns can become very overstimulate quickly. It does not take much. They just spent the last 9 months in a quiet, dark environment. All the new lights and sounds can be a bit much for newborns. Try to keep the environment quieter, calmer, not as bright.

  • My personal experience: When my twins where born, my son was only 18 months old. He was full of energy and loud. He was a very good boy, but 18 month old toddlers have a hard time understanding what peaceful and quiet are. In order to keep the babies from getting too over stimulated I kept their bouncers and swings in my master bedroom (which was on the first floor). I kept my blinds shut, but there was still natural light in the room, just not overly bright. I sometimes had quiet classical music playing if Cooper was making a little too much noise and other times I just kept no music on. The babies would hang out in their bouncers or swings swaddled up tight in there. That kept Cooper from messing with them and it also allowed me to sneak in and “peek-in” on them. Once I noticed their eyes getting really heavy, I would carefully pick them up and place them in their cribs. The girls were sleeping in my walk-in closet at the time because I did not want to go up and down the stairs for middle of the night feedings. So I did not have long to walk between their swings and bouncers to my walk-in closet where they slept. I also allowed my girls a pacifier, which I think helped them sleep too.

3. Swaddling is so important for newborns. I cannot stress this enough! The startle reflex that newborns make causes them to jolt themselves awake. They just spent 9 months all balled up tight in your womb and now they are no boundaries and it scares them. Learn how to swaddle good and tight and I promise you that your baby will sleep well.

  • My personal experience: I found the best method for swaddling was to use a modified miracle blanket wrap. See my utube video of how to do this here (I need to upload the video still, I will do this later, so check back soon). I also found that if I finished diaper changing and put the twins in their swings or bouncers without a swaddle, when it came time to place them in their crib for their nap, they would get very fussy and wake up totally as I was trying to swaddle them. Then I had to start the whole nap routine all over again. In order to avoid that this was our waketime routine:
    1. Nurse
    2. Diaper Change
    3. Swaddle Tight
    4. Place in swing or bouncer
    5. Watch for heavy eyes or eyes shutting
    6. Pick up once heavy eyed and place in crib for nap
    I could not reverse #3 and 4 or they would fully wake up.

4. White Noise works. I know that a lot of people don’t want their baby or infant to get use to white noise to sleep because they will become dependent on it. But let me say, white noise does help. It gives the baby some background noise to hear. They just spent 9 months hearing fluid, heart beating, and other things going on inside of you. It was not quiet in there. The white noise is actually calming to babies. The other benefit of white noise is that you don’t have to tip toe and whisper around your house. If you have older children, white noise is essential if you ask me. I did not want to keep telling my toddler to be quiet, he is just being a toddler. With the while noise, I did not worry so much about my toddler’s noise level.

  • My Personal Experience: All 3 of my children sleep with white noise. We have a portable white noise machine in their rooms. It is easy to travel with too. I wrote a review on the two white noise machines I have used here. You can also use a stand up fan or a humidifier to give off white noise. Music can also be used to help drown out the sound by placing some soft quiet music.

5. Room Dimming helps too. You don’t have to go out and by dark out blinds, but make sure the room that you baby sleeps in is dim and not overly bright. I have found with all of my kids that they sleep better in dimmer rooms. Babies go though sleep cycles every 45-50 minutes. At the 45-50 mark, if the baby is semi-aroused and sees light in his or her room, she might wake up and not want to continue sleeping. More on sleep cycles read this post.

  • My Personal Experience: My son Cooper is a very sensitive sleeper. The smallest sound or crack of light could wake him. As a new mom, I did not realize the power of making the room dimmer until one day I tough I would give it a try. He took such better naps from that point on. Cooper was the chronic 45 minute napper and the room dimming really helped. My twins defendant benefited from room dimming too. But now Cooper is 2.5 and my twins are 1 and I find they don’t need it quiet as dark anymore to sleep so I have started to make their rooms a little brighter.

6. Sometimes Babies will fuss in their sleep around 45-50 minutes into their nap. This does not necessarily mean they are hungry and are ready to wake up. Like I mentioned before, babies go through a sleep cycles every 45-50 minutes. At the end of the sleep cycle they are in light sleep and might wake up. Most newborns do not know how to self-sooth at this point and they start to fuss, fidget, and cry. My advice is to leave them alone for a few minutes to see if they can work it out on their own and return to sleep. If you see their fussing, crying, fidgeting getting worse, then you might want to go in your child’s room and help. I offered some advice on my post about the 45 Minute Intruder that you might find helpful.

  • My Personal Experience: With my son I wrote a lot about it on the 45 minute intruder post. With my twins, I learned to go in and put their pacifiers back in their mouths. That seemed to do the trick most of the time. If that did not work, I often would then pat their bellies and rub their heads and that helped to calm them back to sleep. I would do a very slow rhythmic pat. If after several pacifier attempts and patting and they were still not going back to sleep, I would get them up and feed them because I assumed it was a growth spurt.
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What is the 45 minute intruder?

The 45 minute intruder is a term that was coined in the book Baby Wise, but this is not a Baby Wise phenomenon. The 45 minute intruder refers to when your baby wakes up from a nap or nighttime sleep after only being asleep for 45-50 minutes. Why are some babies waking up at this point? Well, if they are in a growth spurt, it might be because they are hungry. However, if they are not in a growth spurt and are well feed it could be related to their sleep cycles. Babies cycle from light, deep, and back to light sleep in about 45-50 minutes. When your baby returns to light sleep, they may partialy arouse. If they hear a noise, smell something funny, realize they are too hot or cold, or are conditioned to need a sleep prop such as rocking or nursing to sleep, they will have difficulty returning to sleep to complete another sleep cycle. For more information on sleep cycles, read my post entitled “infant sleep cycles”https://blogginaboutbabies.wordpress.com/2009/04/13/infant-sleep-cycles/

Other possible causes for waking 45-50 minutes into a nap could be due to being overtired, overstimulate, or not enough wake/ play time. If you keep your baby up too longer, they may be too tired and wake up early from a nap. Or perhaps you had company over and everyone was playing with your baby, that may have overstimulated your child. Both overstimulation and overtiredness can cause a baby to wake early out of a nap. Make sure you are following your son/ daughter’s naps cues and you get them down for a nap before this occurs. For more on this read my post entitled “Sleep Windows: Get them to bed before it’s too late”  https://blogginaboutbabies.wordpress.com/2009/04/23/sleep-windows-get-them-to-bed-before-its-too-late/ It may be possible that you did not keep your child up long enough. That happen to my son a couple of times. I put him down for his nap and he fall asleep relatively easy, but would wake up 45 minutes into his nap. It occurred to me that he was getting older and may need to stay awake longer. I adjusted his awake time and that solved the waking up at 45 minutes. I believe he just was not tired enough to take a long nap. For more about appropriate awake time lengths see my post entitled, “Baby & Infant Daily Schedules” https://blogginaboutbabies.wordpress.com/2009/04/16/infant-schedules/

My son had chronic 45 minute napping problems

My son has chronic problems with the 45 minute intruder from the time he was 2 months up until he was 4.5 months old (maybe even almost 5 months old). You could set a stop watch and he would wake exactly 45-50 minutes into each of his naps. It use to make me nuts. At first, I thought he was a short napper, but he would wake up fussy. According to Baby Wise and The Baby Whisperer, your baby should not fussy if they just woke up from a nap and you’ve feed them upon waking. The Baby Wise book says that it can last a few day or even two weeks–ha! This lasted for 2.5-3 months. I never thought I would see the day when he would sleep straight through a nap.  By the time he hit 4.5 months old, he was sleeping through most of his naps without waking. We still had the occasional 45 minute intruder, but that was about 20% of the time. Now he is 7 months old and my son rarely ever wakes up early from a nap unless he is in a growth spurt, has a dirty diaper, or a sound from our condo building has stirred him.

What I did to get through the 45 minute intruder

Lay a firm hand on his chest: a little before the 45 minute mark, I would creep into his room and place my hand on his chest. I would press firmly on his chest and apply a little pressure. This kept him from startling himself awake when he was transitioning from one sleep cycle to the next. I did this when my son was very young around 4-8 weeks old.

Swaddle/ Sound Machine: I started to swaddle my son really tight so he would not startle himself awake. This helped a lot. I bought a swaddle me (http://www.kiddopotamus.com/p_swad.php), but then I added an extra step to the swaddle me. I took a piece of cloth from a receiving blanket and would lay it behind his back and weave the fabric over his arms and tuck it behind his back again. This kept his arms good and snug so there was no way he could break free while napping. This kept his body from jerking himself awake. I got this idea from the miracle blanket. Watch their instructional video clip to see how I modified the swaddle me to keep his arms snug. http://www.miracleblanket.com/video.htm I also used a fan and later a sound machine to block out the noise he may have heard from living in a condo building. Both of these things helped greatly, but we still had our issues. The most important thing is to make sure you create a good sleep environment that eliminates as much stimulus as possible. For more on creating a good sleep environment read my post called “Creating a Good Sleep Environment” https://blogginaboutbabies.wordpress.com/2009/04/27/create-a-good-sleep-environment/

Cry-It-Out (CIO): Around 10 weeks old, I believe that I start to just let Cooper cry-it-out at the 45 minute mark. The first week I started this, he would cry for almost 45 minutes until it was time to get up for his next feeding. But it only took a week, and after that if he woke up at the 45 minute mark, he would only cry for 5-15 minutes and then fall back to sleep for another sleep cycle of 45-50 minutes. This pattern of waking up at the 45 minute mark and crying lasted for about a month (the entire time he was 3 months old). The nice thing was, when I finally got him up to feed him he was always happy and well rested! Then around 4 months old, he would still wake up at the 45 minute mark, but just fuss or cry a tiny bit and drift back to sleep right away!

Other Nap Intervention Suggestions

I have not tired these various methods, but I have a friend who used the PU/PD method with great success. I have used the wake-to-sleep at night, but never during the day. It worked great for me at night. Both of these strategies come from the book The Baby Whisperer Solves All Your Problems. (p.251)

Wake-to-Sleep: “Instead of waiting for her to wake, go into her room at 30 minutes, because that’s when she starts to come out of a deep sleep…pat her gently until you see her body relax again. It could take 15-20 minutes of gentle patting. If she starts to cry, though, you’ll have to send her back to sleep with PU/PD.”

PU/PD (Pick Up/ Put Down): This method is intended for a baby 4 month or older. You pick your child up while he is crying and the minute he stops crying you put him back in his crib. If he starts crying, pick him up again. Then if he stops crying, place him in the crib again. You will repeat the pick up/ put down until he stops crying and will fall asleep in his crib on his own. “Granted the first time you try this remedy either situation, you might spend the entire nap period doing PU/PD. and then it’s time for the next feeding. Now both of you are tired! Because sticking to the routine is as important as lengthening her nap, you need to feed her and then try to keep her up at least half and hour before putting her down for her next nap- at which point you’ll probably have to do PU/PD again because she is overtired.” Just keep repeating the PU/ PD until he quietly lays in his crib without crying. (The Baby Whisperer Solves All Your Problems p.221-224) I have a friend who used this method with her son with great success. For more on this method read: https://blogginaboutbabies.wordpress.com/2009/05/11/pupd-pick-up-put-down-baby-whisperers-sleep-training-method/

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FACT #1: Establish a good schedule (eat, wake, sleep)

If this is the only thing you take from baby wise, then great! Babies thrive from consistence. If you are constantly changing up the schedule and routine daily, your child will have a more difficult time achieving good nighttime sleep. Every day should have consistency with a wake up time that is the same every day (our’s is 7am) and a bedtime that is the same every day (our’s is 7pm now). In between the start and close of each day, your child will cycle through several eat, wake, sleep cycles. This trains you child to not become dependent on nursing or bottle feeding to fall asleep. And beleive it or not, this helps with nighttime sleep too. If you babies wakes in the middle of the night, she may be able to put herself back to sleep if she is not dependent on nursing or bottle feeding to fall asleep. For more on eat, wake, sleep cycles see my post entitled “Infant & Baby Schedules”  https://blogginaboutbabies.wordpress.com/2009/04/16/infant-schedules/

FACT #2: Keep Sleep Props to a minimum

Baby Wise urges parents to stay away from sleep props such as nursing or rocking baby to sleep or sleeping with your baby in a shared bed. There is nothing wrong with any of these sleep props. There are many parents who do this with their children and it works for their family. But if you are attempting to use parent-directed feeding and Baby Wise, these sleep props will hinder your progress. The goal of Baby Wise is to help teach children how to fall asleep on their own without someone’s help. Having said that, I will say that I believe it is okay to rock your baby to the point of drowsiness before laying her in her crib. Just don’t allow them to fall sleep in your arms.  For more on putting your baby to bed drowsy but awake see my post “Put Your Baby To Bed Drowsy But Awake” https://blogginaboutbabies.wordpress.com/2009/04/09/put-baby-to-bed-drowsy-but-awake/

FACT #3: Some crying will happen (Cry-It-Out)

If you are using Baby Wise, then they recommend putting your baby in his own crib awake. Some babies will fuss or cry in their crib before falling asleep. Baby Wise suggests allowing your baby to cry for up to 15 minutes. If your child is still crying after 15 minutes, go in a check on him. You might want to pat him on the back or hold him in your arms for a little.  Then leave the room and try again. Every baby is different, if I showed my face even after 15 minutes my son would cry longer and harder.  I had to learn that when we where in the heat of sleep training (Cry-It-Out), I had to just leave him be. We had a video monitor so we could make sure he was okay. Thankfully, the hard nights really only lasted for 3-5 days, maybe 7 days at the most.  We started putting my son to bed awake by drowsy when he was 4/5 weeks old at night. At first he would cried for 20 minutes before falling asleep, but it did not take long (maybe 4-5 days) and his crying diminished. I believe by the time he was  3 months old, he rarely cried going to sleep at night. If he did cry, it was because he was overstimulated and needs to blow off steam.

FACT #4: Some babies make noise, fuss, or cry during sleep transitions (so don’t rush in)

Babies sleep cycle are about every 45-50 minutes. During this transition from one sleep sleep cycle to the next, your baby may partially arouse and make noise, fuss, move around, or even cry. As hard as it is, don’t rush into their room to check on them. Give them a few minutes to settle. “Sometimes you may think your baby is waking up when she’s actually going though a phase of light slumber. She could be squirming, startling, fussing, or even crying- and still be asleep. Or she may be awake by on the verge of drifting off again if left alone. Don’t make the mistake of trying to comfort her during these moments; you’ll only awaken her further and delay her going back to sleep. Instead, if you let her fuss and even cry for a few minutes, she’ll learn to get herself to sleep without relying on you (BW p. 146)” My son use to wake from his naps in between sleep cycles (45 minute intruder) and would cry for 5-15 minutes when he was 2-4 months old. I learned to leave him alone or he would never complete a full nap and be cranky. For more on baby’s sleep cycle read my post entitled “Infant Sleep Cycles” https://blogginaboutbabies.wordpress.com/2009/04/13/infant-sleep-cycles/

Important Reminders

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