Feb 25, 2016 · Wondering how much sleep your infant, older , or teenager need? WebMD provides guidelines.

Age. Hours of Sleep. Bedtime. Notes. Newborn: 15-18: N.A. New babies don’t yet have any circadian rhythms, and they typically sleep in short spurts of two to four

A good night’s rest is a pillar of health – read Dr. Mercola’s comprehensive guide to sleep better and fight the sleep problem called insomnia.

How to Get Through the Day on Less Than Four Hours of Sleep. Some people are born with a gene, called the hDEC2 gene that allows them to function on about 6.25 hours

Four in 10 Americans report getting less than seven hours sleep at night, similar to 1990 but well above the 11% who did so in 1942. Forty-three percent say they

Babies (Up to 6 Months) Newborns’ internal clocks aren’t fully developed. They sleep up to 18 hours a day, divided about equally between night and day.

Your newborn should ideally sleep for 16 hours or more during the day in various stretches. Initially, your baby might do most of this sleep through the day, while

Sleep expert Daniel Kripke reviews the research and says 8 hours is not necessarily best for all

What to expect. cents are notorious for not getting enough sleep. The average amount of sleep that teenagers get is between 7 and 7 ¼ hours.

WebMD discusses how much sleep adults of different ages need and what adults can do to get the recommended number of hours per night.