



If you have not already done so, please read Blog Posts 1 through 5 that describe how sleep is important and beneficial. I will post specific information for parents and children based on my book, “Healthy Sleep Habits, Happy Child.” Please do not be put off by my book’s length. This is a reference book. Read only the topic of interest to you.
Family conflict and marital stress predict sleep problems in children. Marital satisfaction tends to correlate with better, more cooperative coparenting. The sleep solution described in this post may depend on both — a high degree of marital trust and genuine coparenting teamwork. It also illustrates, in unusual detail, how a father’s specific involvement at night can make the difference when everything else has been tried.
Background: What the Research Shows About Fathers
Fathers are generally better able than mothers to delay responding to infant fussing and crying — they have a higher tolerance for infant crying. Greater paternal involvement in daytime and nighttime caregiving at 3 months significantly predicts more consolidated maternal and infant sleep at 6 months. Sleep problems have been resolved in multiple cases when fathers took over bedtime routines and nighttime management.
When fathers are minimally involved, the pattern runs in the opposite direction: mothers room-share, sleep quality decreases, and maternal separation anxiety increases. Father involvement is not incidental to infant sleep. It is structural.
The Sleep Solution
Before presenting Sebastian’s account, here is the solution he and his wife arrived at:
The first three elements were necessary but not sufficient on their own. The fourth was the piece that made it work.
Sebastian’s Account
“My daughter is a bit more than 4 weeks old and is a common fussy/easy baby. She usually falls asleep easily and only complains when she is hungry, in pain, or has a dirty diaper. I am currently focusing on keeping the wake-up phases brief — 1 to 2 hours. I realized that she already started to be asleep most of the time after 5 or 5:30pm. I tried several times to put her down in her crib — already asleep or drowsy but awake — in the evening and for naps during the day. But after a few minutes she is awake again and starts crying. I normally rush into her room and try to soothe her back to sleep. She usually falls asleep again once she is close to my wife or me. She just needs to be close to us.
She sleeps for now in a bassinet in our room. If she wakes up during the night, we will feed her and change diapers if needed. I am struggling to put her in the crib during the day. She falls asleep in the crib in some cases but always wakes up after a maximum of 10 minutes. She starts crying and seems distressed — the intensity increases; she moves her arms and legs, swallows air, and hiccups. I picked her up, soothed her again and lay her down. After repeating this four times she slept 30 minutes in the crib.”
“Our daughter is now 5 weeks old. At night she sleeps 3–4 hour stretches after 5pm. Nights get busy around 3–5:30am as she continuously wakes every 20–40 minutes wanting to be fed, given her pacifier, or changed. My wife is breastfeeding and she sleeps next to us during the night. We moved the bedtime earlier and start her bedtime routine around 5–5:30pm. The intervals of wakefulness before a nap vary from 15 minutes to 2 hours. Sometimes she is very cranky after a nap and we directly soothe her back to sleep.
We tried to put her back in her bassinet during the night but she either wakes up or can’t settle. If we let her sleep with us, she is calm and falls asleep on her own. It is a bit frustrating. Same thing happens during the day for naps. If we are lucky she will sleep in her crib for 30–40 minutes but this happens rarely.”
“She is almost 10 weeks old. We established a bedtime routine at 5–5:30pm which works well. She sleeps 2–3 hours and self-soothes if she wakes up. Her wake-up time is 5:30am. We stick to brief intervals of wakefulness and watch her drowsy signs carefully. She is usually tired after 1 hour of wakefulness — she yawns and doesn’t want to play anymore. Soothing: we rock her for 5–10 minutes with white noise and singing. Her eyes are normally already closed when we lay her down.
Two challenges: 1. There are times she stays asleep for 1 hour and we can easily lay her down — mostly the first two naps. But there are also times she wakes after 10 minutes and we need to pick her up and soothe 3–4 times. This is very difficult as we have a toddler and mum is alone during the day. 2. During the night she nurses every 2–3 hours, if my wife is lucky 3–4 hours. She becomes fussy between 2–3am, wants to breastfeed frequently, and refuses the pacifier. She wakes every 20 minutes and can’t soothe herself.”
“Our daughter is now almost 12 weeks old. She naps better now — we can lay her down after minimal soothing during the day. She sleeps 45–60 minutes and is happy when we pick her up. In general this works well until 3pm. But she doesn’t want to sleep during this time and protests a lot. We decide in these cases to start the bedtime routine earlier, around 5pm.”
“She is now 3 months old. The real big problem is the nights. We couldn’t yet transition her to the crib, so she sleeps with us in the family bed. She normally sleeps 3–4 hours after 9pm, which is great. Unfortunately before 9pm and especially after 2am she wakes almost every hour and is fussy. In most cases she is genuinely hungry.
There are two reasons we have not yet transitioned her to the crib: she is very fussy in the crib and wakes more often; and we want her to sleep in our room until 6 months.
We have identified a major sleep problem and decided to use the extinction method with my husband staying in her room. My wife will only go in every 3–4 hours to nurse and otherwise sleep in another room. We decided that I will cover most nights, as my wife tends to breastfeed more often and can’t handle the crying.
When we put her down for sleep we leave the room. If she cries and is hungry after 3–4 hours we will go in and feed her. The father sleeps in the same room during the night but does not soothe her when she wakes and can’t settle. We want to know she is okay and doesn’t choke when she cries hard.”
“She is 14 weeks now. We could already see some success using the extinction method. I am sleeping with her in the same room but not intervening when we put her to bed — I only react when she is hungry, every 3–4 hours, and ask my wife to feed her. After feeding, she cries 5–10 minutes and puts herself to sleep. She even slept one stretch of 10 hours, which was amazing.
The only problem is the time after the 2–3am feeding. She doesn’t want to go back to sleep, wakes often, seems awake and cries for 1–2 hours. After that she sleeps another 2–3 hours and wakes between 6:30–7:30am. During the day we keep the interval of wakefulness to a maximum of 2 hours and she takes brief naps — 30–45 minutes — most of the time. She goes to bed between 5–6pm depending on her last nap. She doesn’t show fatigue signs before going to bed.
Feeding schedule: 5:30–6pm, first overnight feeding: 10–11pm, second: 2–3am, third: 4–5am. My wife sleeps in another room; I sleep in the bed next to the crib.”
I wrote to Sebastian:
Sebastian replied:
“1. There are normally two scenarios: the baby falls asleep during nursing and is placed in the crib; or the baby needs a bit of rocking after nursing and is then placed in the crib drowsy but awake, depending on the day.
Sebastian’s final update:
“Our daughter only wakes during the night to nurse every 3–4 hours, some days longer stretches. This works well until 3–4am; after that she needs more soothing and has issues settling for 2–3 hours of sleep. The good news is that we can keep her in bed until 6–7am. It is okay for us now — a big improvement — and we hope to sort out this missing piece in the following weeks. Thanks again.”
What This Case Illustrates
Sebastian’s solution combined four elements, and three of them alone were insufficient. The early bedtime, the shortened wakefulness intervals, and the drowsy-but-awake placement were all correct and all necessary. But the critical variable was the fourth: removing the breastfeeding mother from nighttime proximity and replacing her presence with a father who could be physically present without providing high-intensity soothing.
When Sebastian was asked which factor drove the improvement, he answered: all of them, together. The mother’s breast milk was no longer a sensory cue triggering waking. The father’s higher tolerance for non-distress sounds meant that quiet stirring was not met with immediate intervention. The soothing that did occur was low-intensity rather than high. And the mother’s confidence that her baby was safe allowed her to sleep rather than lie awake listening.
Marital trust made this solution possible. The mother had to believe that her baby was genuinely safe in her husband’s care — not merely told so, but convinced of it. That conviction allowed her to actually sleep in a separate room rather than remaining vigilantly available. Without it, the logistics would have been correct but the execution would have failed.
This is coparenting at its most functional: differentiated roles, mutual trust, and a shared commitment to the child’s sleep that neither parent could achieve alone.
— Marc Weissbluth, M.D.