Health Tip Avoid napping if you have insomnia, as it can make it more difficult to sleep at night. For everyone else, however, a 15- to 20-minute afternoon nap can boost mental health and alertness.

Announcement New! The Healthy Brain Kit. Click here to unlock the proven secrets to boosting your memory, keeping your brain young, and strengthening your mind with Dr. Andrew Weil and Dr. Gary Small.

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