Women Need More Sleep Than Men: What a Doctor Wants You to Know About Your Nightly Rest

Your nightly rest is doing more than you probably realize — and it may not be giving you everything you need. A physician recently offered five important things everyone should know about sleep, starting with a finding that applies directly to roughly half the population: women need more sleep than men, and the reason involves the brain’s daily recovery demands.
The difference amounts to approximately 20 minutes more sleep per night for women. The physician explains this through the lens of multitasking — the cognitive process of managing multiple tasks simultaneously. This demanding form of thinking is something many women engage in extensively throughout the day, and it taxes the brain’s executive systems significantly. Sleep is when those systems recover, and a higher daily cognitive load translates directly into a higher nightly sleep need.
Sleep onset time is one of the most practical indicators of sleep health. Falling asleep should take between 10 and 20 minutes. If it happens significantly faster on most nights, the body may be so exhausted that it crashes rather than transitioning normally into sleep. If it consistently takes much longer, it could be a sign of insomnia, elevated anxiety, or other disruptions that prevent the brain from shifting smoothly into rest.
The loss of dream memories is nearly universal. About 95 percent of dreams vanish within minutes of waking, because the sleep stages in which they occur don’t effectively transfer content into long-term memory. For those who are curious about their dreams, the physician recommends a simple but immediate habit: write down everything you can remember the moment you open your eyes, before any other activity takes priority.
The physician’s final two facts are important for everyday health decisions. Staying awake for 17 or more consecutive hours impairs cognitive performance to a level comparable to mild intoxication — 0.05 blood alcohol — with real implications for safety and decision-making. And with melatonin, starting at just 0.5 mg is the recommended approach, as this amount most closely mirrors what the body produces naturally and tends to produce better sleep outcomes than higher doses.