A good night’s sleep is just as important as regular exercise and a healthy diet. Research shows that poor sleep has immediate negative effects on your hormones, exercise performance, and brain function. It can also cause weight gain and increase disease risk in both adults and children.


In contrast, good sleep can help you eat less, exercise better, and be healthier. Over the past few decades, both sleep quality and quantity has declined. In fact, many people regularly get poor sleep. If you want to optimize your health or lose weight, getting a good night’s sleep is one of the most important things you can do. Here are some evidence-based tips to sleep better at night.


1. Exercise


Going for a brisk daily walk won't just trim you down, it will also keep you up less often at night. Exercise boosts the effect of natural sleep hormones such as melatonin. A study in the journal Sleep found that postmenopausal women who exercised for about three-and-a-half hours a week had an easier time falling asleep than women who exercised less often. Just watch the timing of your workouts. Exercising too close to bedtime can be stimulating. Morning workouts that expose you to bright daylight will help the natural circadian rhythm.


2. The ideal room for sleep is cool and dark


Most experts agree that the sweet spot for temperature is between 60 and 67 degrees Fahrenheit. According to a National Sleep Foundation poll, 73% of Americans say the darker the room the better. 65% of people use shades, curtains, or blinds to block unwanted light.


3. Increase bright light exposure during the day


Your body has a natural time-keeping clock known as your circadian rhythm. It affects your brain, body, and hormones, helping you stay awake and telling your body when it’s time to sleep. Natural sunlight or bright light during the day helps keep your circadian rhythm healthy. This improves daytime energy, as well as nighttime sleep quality and duration. In people with insomnia, daytime bright light exposure improved sleep quality and duration. It also reduced the time it took to fall asleep by 83%. A similar study in older adults found that 2 hours of bright light exposure during the day increased the amount of sleep by 2 hours and sleep efficiency by 80%. While most research involves people with severe sleep issues, daily light exposure will most likely help you even if you experience average sleep. Try getting daily sunlight exposure or — if this is not practical — invest in an artificial bright light device or bulbs.


4. De-stress


The bills are piling up and your to-do list is a mile long. Daytime worries can bubble to the surface at night. Stress is a stimulus. It activates the fight-or-flight hormones that work against sleep. Give yourself time to wind down before bed. Learning some form of the relaxation response can promote good sleep and can also reduce daytime anxiety. To relax, try deep breathing exercises. Inhale slowly and deeply, and then exhale.


5. Music can soothe us


Rather than listening to the news — or the chatter in your head/mind — when you get home, put on your favorite music. While classical music has been shown to lower blood pressure and reduce stress, any music that you enjoy will help you quiet down and lift your mood.