reasons fora good night's sleep we have so many demands on our time that we often getting quality sleep on a regular basis can benefit your be undermined if you aren't getting enough sleep skip the blue light special all sleep is not the same brain wave patterns show four different "stages" of sleep stages of light sleep to heavy that last about 90 minutes in today's device-dominated world any conversation about sleep hygiene must address the are wired to initiate sleep when blue light fades from the sky use night mode or filtering apps for phones at least an hour before bedtime focus on quality sleep deep sleep cleans your brain of pesky chemicals called somnogens that things can diminish or even eliminate deep deep sleep nightmare sleep and alcohol don't mix the "sleep" you get while alcohol is in your system is patients who drink to try to have no alcohol in their system for at least one hour before sleeping