Lifestyle Changes

So far, you’ve learned how to stay in sync with your circadian rhythm, harness thepower of light, and cultivate the ideal bedroom environment. This section will cover additional ways to optimize your lifestyle for better sleep and why they work. Exercise Vigorous exercise is a great way to improve your sleep quality. Think of it … Read more

Adjusting Your Environment

Morning Sunlight The critical period for your circadian rhythm is in the morning. If you can expose your eyes to sunlight in the morning, it tunes your circadian rhythm to that time. Light comes in dramatically different quantities. While a normally lit room exposes your eyes to 300 lux, a bright sunny day exposes your … Read more

Circadian Rhythm

The key to getting better sleep is becoming the master of your own circadian rhythm The circadian rhythm is the body’s internal biological clock. For most people, it runs on a 24-hour cycle. This system manages sleepiness, hunger, alertness, body temperature, and more. It is all coordinated by a group of neurons called the Suprachiasmatic … Read more

How Much Sleep

Different individuals need different amounts of sleep and the quality of sleep matters. However, there are good general rules of thumb for how long you should aim to sleep, depending on age. As we get older, we tend to need less sleep. It is recommended that babies sleep 11 to 18 hours a day. School-aged … Read more