Sleep and hygiene

"Teens are overscheduled these days that there's a tendency to think of sleep as 'wasted time.' Nothing could be further from the truth. The body needs sleep to recover from the days' activities, while the mind needs sleep to process everything that has been seen, heard, and learned during our waking hours. Likewise, personal hygiene, which may seem like yet more wasted time in a busy day, is an essential part of keeping ourselves healthy"--Back cover.