Even small lights (LEDs, streetlights) can:
- Suppress melatonin (your sleep hormone)
- Reduce deep sleep quality
- Increase long-term risk of mood or metabolic issues
- Tip: Use blackout curtains or a sleep mask.
š If you meant “makeup on”:
Sleeping in makeup can:
- Clog pores → breakouts or milia
- Break down collagen → premature aging
- Cause eye irritation (especially mascara)
- Tip: Keep makeup wipes or micellar water by your bed.
Let me know what you meant—or finish the sentence! I’m happy to help with a thoughtful, science-backed answer. š
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