While we sleep, organs, bones and tissue repair, and emotions and memories shift from an active to a storage part of the brain, essential for long-term memory. Insomnia is a common concern in later life, especially for women. What keeps us awake? Worry and health problems, according to a telephone survey of 1,000 Americans. And hot flashes.
How much do you need?
Some people do well on five hours’ sleep; others need nine. If you suffer from insomnia and go to bed out of habit rather than tiredness, it may be time to rethink your routine. See what happens if you go to bed an hour later, or if you rise earlier.
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