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sleepMore than 20 years of research shows us that sleep is vitally important to physical and mental health.  What we now know is that there are serious risks that come with lack of sleep.  In animal and human studies, living without sleep for even a few months resulted in death.

Sleeping fewer than 8 hours a night on a regular basis is associated with increased risk for diabetes, heart disease and stroke, depression, colds, flu, and obesity.

While sleeping, our brain chemistry has an important role in the functioning of the nervous, immune and endocrine systems.  During sleep we develop and reinforce neural pathways involved in memory, learning, and emotion. New research suggests sleep helps flush toxins from the brain.

In addition to the brain chemistry, the body manufactures hormones that repair damage caused by stress and the environment.  Growth hormone cleanses the liver, builds muscle, breaks down fat, and helps normalize blood sugar. We also produce hormones that help fight infections. If we aren’t getting sufficient sleep, we get sick more often and take longer to recover. Lack of sleep increases inflammation, which is has been linked to heart disease and stroke.

Lack of sleep interferes with the levels of ghrelin and leptin; metabolic hormones that signal when you’re hungry and when you’re full.

Some Sleep Tips Include

Use your bed for sleep and sex only. Regular sex can improve sleep quality so don’t use your time between the sheets to deal with daily hassles—take that outside of the bedroom (or record in a journal). If you don’t feel sleepy, leave the room and do something relaxing until you feel drowsy, then, go back to bed.

Set a sleep schedule. This includes a soothing pre-sleep routine, such as a warm bath, reading or gentle yoga. Go to bed and wake at the same time each day. This entrains your body rhythms, making it easier to fall asleep. If you need a nap, get it in before 5:00 PM; limit to 20 minutes.

Surround yourself with cave-like ambiance. A sleeping space should be quiet, dark, and cool (between 60-72°). If you do shift-work, use blackout shades or an eye mask. Remove electronic devices, computers and TVs from your room. Research shows that use of digital devices within an hour of bedtime has a negative effect on sleep quality.

 Let the light in early and exercise regularly. Natural light helps regulates hormones that promote ideal sleep-wake patterns. Open the curtains as early as possible and get outdoors during the day. Also, exercise during the day or early evening makes it easier to fall asleep and increases the amount of deep sleep obtained.

Eat a Light, Last Meal of the Day. A light dinner eaten 2-3 hours before sleep is ideal. A full stomach interferes with sleep as the body works at digestion. Steer clear of spicy or fatty foods that can cause heartburn. If you need a bedtime snack, combine a carbohydrate and protein, such as almond butter on toast, Greek yogurt with sugar-free granola, or cheese and crackers. Avoid products containing caffeine, sugar or nicotine as their effects can last several hours.