You should stop bed-sharing when it feels right for your family, but the American Academy of Pediatrics (AAP) recommends avoiding it for the first year to reduce SIDS risk, transitioning toddlers to their own space between ages 2-3, and generally ending it by age 5 for healthy independence, though parents decide based on comfort, child readiness (talking about it first), and when sleep quality suffers.
It's very common in many cultures for children to sleep in their parents room until they're 8 or even 10. And they adjust just fine whenever it's time to go to their own space. If it doesn't seem to affect her life or yours, do you!
It's generally recommended that a child transition to their own room between 6 months and 1 year for safe sleep and to encourage independence. However, some families continue room-sharing until 2--3 years for cultural or practical reasons.
So to address this mom's concerns about her 3 year-old still sleeping in a crib, there is NOTHING wrong with keeping your 3 year-old in a crib. In fact, MANY babies and younger toddlers (3 year-olds included) are not ready to move to a toddler bed to begin with.
The 5-3-3 rule is a loose guideline for structuring a baby's sleep schedule: 5 hours of wake time before the first nap, 3 hours of wake time before the second nap, and 3 hours before bedtime.
SIDS is less common after 8 months of age, but parents and caregivers should continue to follow safe sleep practices to reduce the risk of SIDS and other sleep-related causes of infant death until baby's first birthday. More than 90% of all SIDS deaths occur before 6 months of age.
When is the most challenging age for sleep training? The most challenging age for shaping sleep habits is typically between 18 months and 2.5 years. During this period, children transition from babies to toddlers and exhibit increased stamina and big emotions.
Leads to possible interruptions in the parent's or child's sleep. Contributes to poor sleep quality for the parent. Contributes to fewer than the recommended hours of sleep for parent and/or child. Delays child's ability to self-soothe and fall asleep independently.
The 90-minute crib rule is a sleep training technique, often used when toddlers transition to one nap, that extends the standard "crib hour" to 90 minutes: you keep your child in the crib for 90 minutes from the start of the nap, even if they wake early, to encourage longer naps by allowing them time to fall back to sleep in a non-stimulating environment. It helps babies connect sleep cycles, turning short 30-40 minute naps into longer, more restorative ones.
The American Academy of Pediatrics(1) recommends that your child should be moved from their crib to a toddler bed once the top of the crib rail is lower than mid-chest (or nipple level) height. This typically occurs when an infant reaches about 35 inches.
The 7-7-7 rule of parenting generally refers to dedicating three daily 7-minute periods of focused, undistracted connection with your child (morning, after school, bedtime) to build strong bonds and make them feel seen and valued. A less common interpretation involves three developmental stages (0-7 years of play, 7-14 years of teaching, 14-21 years of advising), while another offers a stress-relief breathing technique (7-second inhale, hold, exhale).
In order to stop co-sleeping with your baby or toddler, you want to make sure everything is lined up to give them the best chance at settling and sleeping well in their own bed. This includes setting up a positive sleep environment and making sure nap times are appropriate for their age.
“Four Years Syndrome” is the stage between 3½ and 5 years old, when children show a new level of independence, confidence, and emotion — but still struggle with self-regulation. At this age, your child is curious, outspoken, imaginative, and sometimes… surprisingly bossy.
"70/30 parenting" refers to a child custody arrangement where one parent has the child for about 70% of the time (the primary parent) and the other parent has them for 30% (often weekends and some mid-week time), creating a stable "home base" while allowing the non-primary parent significant, meaningful involvement, but it also requires strong communication and coordination to manage schedules, school events, and disagreements effectively.
Dr. Rebecca Fisk, a pediatrician at Lenox Hill Hospital at Northwell Health in New York City, warns that babies under the age of 12 months should absolutely not co-sleep as bed-sharing increases the risk of suffocation and Sudden Infant Death Syndrome (SIDS). “Co-sleeping is a personal decision, not a medical decision.
The general co-sleeping prevalence ranged from 51.6 to 62.8% in infancy (0–12 months), 59.4% at preschool age (3–5 years), and 10–23% in preadolescence (10–12) around the globe (Mindell et al., 2017, 2013; Rath & Okum, 1995).
On the legitimacy of the 8-minute nap, he says “sleeping with your legs elevated can help improve sleep onset and quality as it allows blood to flow more easily throughout the body. This is the sleep science behind the 8-minute Navy Seal nap, but that's not the only thing that makes this nap potentially effective.”
10 hours before bed: No more caffeine. 3 hours before bed: No more food or alcohol. 2 hours before bed: No more work. 1 hour before bed: No more screen time (shut off all phones, TVs and computers).
The 2-3-4 nap rule is a popular baby sleep guideline for babies around 6 months and older, suggesting wake windows: 2 hours from waking until Nap 1, 3 hours from Nap 1's end to Nap 2, and 4 hours from Nap 2's end to bedtime, creating a balanced 2-nap-a-day schedule with about 3 hours of total nap time. It helps structure days and build sleep pressure but isn't for every baby, as individual needs vary.
The "3-3-3 Rule" for toddlers is a simple mindfulness and grounding technique to calm anxiety by engaging their senses: name 3 things they can see, identify 3 sounds they can hear, and move 3 different parts of their body (like hands, feet, head). This helps shift focus from overwhelming thoughts to the present moment, acting as a "brain reset" for emotional regulation during meltdowns or stress, making it a useful tool for building emotional intelligence and control.
While co-sleeping is known to reduce a baby's stress, it depends on the level. One study that asked parents about this subject found that children who had experienced one of two co-sleeping arrangements had lower anxiety levels at preschool age compared with those who had co-slept for less than six months.
Children might be motivated to sleep with adults because of separation anxiety or a sense of unavailability from their caregivers, especially in times of vulnerability (such as during the night). The same attachment drive might motivate some parents to share close proximity to their child at night.
Age 4-6 Months: Around this time, babies start to develop more predictable sleep patterns. This is often the sweet spot for beginning gentle sleep training. Age 6+ Months: By six months, many babies are capable of sleeping longer stretches at night. Sleep training can help reinforce these habits.
Teaching Your Baby To Self-Soothe
The Sitback Method
Essentially, it teaches parents how to get baby back to sleep in a crib without disturbing their sleep routine. First, go through your baby's bedtime routine. Instead of leaving the room when you put them down, sit in a chair next to the bed. Once baby falls asleep, you can leave.