For many years, (0) SCIENTISTS (SCIENCE) have been studying the effects of sleep on the human body. Their findings all point to the same conclusion: the 1IMPORTANT of getting enough rest cannot be overstated. Without sufficient sleep, it is almost impossible to maintain a 2HEALTH lifestyle. People who sleep fewer than six hours per night often report an 3ABLE to focus at work, as well as a clear drop in their 4CONCENTRATE during complex tasks. Experts therefore recommend going to bed and waking up 5REGULAR at around the same times each day. The environment of the bedroom also matters a great deal: rooms that are too warm or too 6NOISE tend to disturb deep sleep. Stress is another common enemy of good rest, and high levels of 7ANXIOUS can keep the mind racing well into the night. To counter this, sleep specialists suggest incorporating simple 8RELAX techniques into your evening routine.