The sleep Foundation article examines how napping affects nighttime sleep and cognitive function. Short naps, ideally around 20 minutes, can enhance alertness and performance without significantly disrupting nocturnal sleep. However, longer or late-afternoon naps may interfere with nighttime rest by reducing sleep pressure, making it harder to fall asleep at bedtime. Quality sleep is crucial for brain health, supporting memory consolidation and cognitive performance. To optimize both daytime alertness and nighttime sleep quality, it's advisable to limit naps to 20 minutes and schedule them earlier in the day. This approach balances the immediate benefits of napping with the necessity of maintaining a consistent and restorative nighttime sleep pattern. The recommendations are based on current sleep research, though individual responses to napping can vary.