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Use blackout curtains or a sleep mask to block outside light.
The Impact of Sleeping with the Lights On While leaving a light on might offer a sense of security, research suggests that even dim artificial light during sleep can have significant negative effects on your health and sleep quality. 1. Disruption of Circadian Rhythms
Nighttime light exposure can increase heart rate and the risk of high blood pressure (Sleep Foundation).
Light exposure at night suppresses the production of melatonin , the hormone responsible for signaling your body that it is time to sleep ( Sleep Foundation ).
Lights-on sleep is associated with increased N1 (Stage 1) sleep and decreased slow-wave (deep) sleep ( ScienceDirect ).
Are you experiencing like morning grogginess or difficulty falling asleep?
Research indicates that sleeping with light can lead to higher insulin resistance the next morning, increasing the long-term risk of Type 2 diabetes (National Institutes of Health).