To get the most out of a nap, follow these tips:
Keep naps short. Aim to nap for only 10 to 30 minutes. The longer you nap, the more likely you are to feel groggy afterward.
Take naps in the afternoon. The best time for a nap is usually mid-afternoon, around 2 or 3 p.m. This is the time of day when you might experience post-lunch sleepiness or a lower level of alertness. In addition, naps taken during this time are less likely to interfere with nighttime sleep. Keep in mind, however, that individual factors — such as your need for sleep and your sleeping schedule — also can play a role in determining the best time of day to nap.
Create a restful environment. Nap in a quiet, dark place with a comfortable room temperature and few distractions.
After napping, be sure to give yourself time to wake up before resuming activities — particularly those that require a quick or sharp response.