Brain Teaser

Challenge Your Cognitive Know-How!

Staying Sharp

Published January 06, 2026

How can artificial light disrupt your sleep cycles?

Stimulates nerve growth

Reduces melatonin levels

Boosts endorphins

Speeds up metabolism

Bright artificial light can reduce levels of melatonin, the hormone that signals to your brain that it’s time to go to sleep. That goes for outdoor lighting, too; people in well-lit urban spaces tend to get fewer hours of sleep. Click here learn more about how artificial light affects sleep and to see how you can get the restful shuteye you need.

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UHCRA

Prudential

One Pass

MS15

Brain Teaser

Challenge Your Cognitive Know-How!

How can artificial light disrupt your sleep cycles?

AARP VALUE &
MEMBER BENEFITS

Staying Sharp

UHCRA

Prudential

One Pass

MS15

Brain Teaser

Challenge Your Cognitive Know-How!

How can artificial light disrupt your sleep cycles?

AARP VALUE & MEMBER BENEFITS

Staying Sharp

AARP VALUE &
MEMBER BENEFITS