If you want to optimize your health, then getting a good night's sleep is one of the most important things you can do.
1- Increase Bright Light Exposure During The Day
2- Reduce Blue Light Exposure in the Evening
3- Don't Consume Caffeine Late in the Day
4- Reduce Irregular or Long Daytime Naps
5- Don't eat late in the evening
6- Set your bedroom temperature
7- Finally, take a relaxing bath or shower before going to sleep.