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Brain Teaser

Challenge Your Cognitive Know-How!

By

Staying Sharp

Published March 19, 2026

How can alcohol affect sleep?

Deepens sleep

Causes nightmares

Disrupts sleep cycles

Helps you get to sleep faster

While a nightcap may seem like a good idea at the end of the day, alcohol can interfere with your natural sleep rhythms and the quality of sleep your brain needs to recharge. That has a ripple effect, as poor sleep can lead to problems with memory, focus and mood. Click here to learn more about how alcohol affects sleep and brain function.

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Legal Disclaimer: Staying Sharp, including all content and features, is offered for informational purposes and to educate users on brain health care and medical issues that may affect their daily lives. Staying Sharp is based on a holistic, lifestyle approach to brain health that encourages users to incorporate into their daily lives activities that are associated with general wellness. Nothing in the service should be considered, or used as a substitute for, medical advice, diagnosis, or treatment. Features including the Cognitive Assessment and Lifestyle Check-Ins, Additional Tests, exercises, and challenges assess performance at a particular moment in time on certain discrete cognitive tasks. Staying Sharp games are intended for entertainment and recreational purposes only. Various factors may affect performance, including sleep, tiredness, focus, and other social, environmental, or emotional factors. Performance is not indicative of cognitive health and not predictive of future performance or medical conditions.

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