Infant sleep is one of the most discussed — and misunderstood — aspects of early childhood development. Experts say many popular beliefs about babies’ sleep patterns are myths, often fuelled by parenting advice books and commercial sleep programmes rather than scientific evidence.
Research shows that infant sleep patterns vary widely, and expectations that babies must follow rigid sleep routines can place unnecessary pressure on parents.
Myth 1: Babies should sleep through the night early
Many parents believe babies should sleep through the night by six months, but studies show this is uncommon.
Research involving more than 55,000 babies in Norway found that nearly 70 per cent of six-month-olds woke at least once at night, while more than one-quarter of 18-month-olds also woke during the night.
Experts say waking is a normal developmental stage, especially during the first year of life.
Myth 2: Frequent night waking is always normal
While night waking is common, experts caution that persistent sleep disruptions may sometimes signal health issues.
Conditions such as iron deficiency, food allergies, reflux disease, ear infections, or sleep disorders can contribute to poor sleep. In such cases, medical advice may help address the underlying cause.
Myth 3: Babies must sleep 12 hours at night
Many sleep guides recommend 12 hours of night sleep, often referred to as the “7-to-7” schedule.
However, studies show many infants sleep around 11 hours on average, and sleep needs differ widely between children. Researchers also note that babies in different parts of the world often sleep fewer hours at night than Western guidelines suggest.
Myth 4: Motion naps are not restorative
A common belief is that naps in prams, slings, or cars are lighter and less beneficial.
Scientific studies, however, show that gentle rocking can actually promote deeper sleep, helping babies fall asleep faster and remain calmer.
Experts also note that babies experience constant motion in the womb, meaning movement is naturally soothing for them.
Myth 5: More daytime sleep means better night sleep
Many parents hear that “sleep breeds sleep”, but research suggests this is not always true.
In toddlers and preschoolers, more daytime sleep can sometimes make bedtime harder, because sleep pressure — the body’s natural drive for sleep — decreases.
Overall, researchers emphasise that infant sleep patterns are highly individual. Babies cannot be forced to sleep more than their bodies require, and flexible routines that respond to each child’s needs are often more effective than rigid schedules.
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