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Baby's Daily Needs: What to Expect - Topic Overview

Sleeping continued...

Sleeping patterns vary with each child and gradually evolve over the first year. Sleep habits are influenced by the baby's temperament and feeling of being well fed and the parents' response to waking episodes. Some babies naturally seem to need more sleep than others.

Periods of murmuring and restlessness every 50 to 60 minutes are a normal part of the baby sleep cycle. These periods are known as "active sleep." The restlessness usually lasts a few minutes, and if babies are left alone, they usually fall back to sleep.

The sleep cycles include:

  • Drowsy sleep. The baby moves little but may be wakened easily. His or her eyes may start to close or gently open. Drowsy sleep can occur at the start or end of the sleep cycle.
  • Quiet, or deep, sleep. The baby moves very little; has deep, regular breathing; and has no noticeable eye movement under the eyelids. The baby is not wakened easily.
  • Active, or light, sleep. The baby appears restless and breathes quickly and irregularly. Eye movement is noticeable under the eyelids. A 1-month-old may spend about 50% of his or her sleep time in active sleep, while older children and adults spend about 20%. It is believed that a baby has longer periods of active sleep than an adult because the brain is developing rapidly.

At first, babies often sleep through loud noises. But at about 3 to 4 months of age many babies become easily disturbed by noises like the phone ringing or a dog barking.

During a baby's first few months, maturing of the brain allows the baby gradually to sleep for longer periods. By age 3 months, most babies sleep for their longest period (up to 7 to 8 hours) during the night and develop set nap times. They are also more alert when awake and you can gradually add time between feedings. At about 3 to 4 months, start bedtime rituals to help your baby relax. Read a story, play quiet music, sing, rock your baby, or give him or her a gentle massage. Avoid loud music or sounds and bright lights.

Sleep patterns often change during the second half of the first year. By 9 months of age and into the second year of life, it can be hard for some babies to let go of the excitement of the day. Also at this age, many babies want to exert control over their actions. Because of these things, your baby may resist going to sleep at the times you want. To promote a regular schedule, stay with your routines when your baby resists going down for a nap or going to bed at the usual time.

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