Normal sleep is divided into non–rapid eye movement (NREM) and rapid eye movement (REM) sleep. The stages of sleep are stage I (light sleep), stage II, stages III and IV (deep or delta-wave sleep), and REM sleep; NREM sleep comprises stages I-IV. Sleep is...

Sleep does not come easy to some and some of us have periodic difficulties with that elusive sand man. A few tips on what is best for sleep follow, we hope they assist you in gaining a good nights sleep. Do: • Go to bed at the same time each day. • Get up...