Savvy Psychologist How can you improve your sleep for better mental and physical health?
Oct 29, 2025
Discover why sleep is a crucial foundation for your mental and physical health. Learn about the impact of seven or more hours of sleep on mood, memory, and immune function. Dr. Johnson discusses how sleep regulates emotions and can dampen anxiety and depression. Explore the risks of insomnia and the importance of cognitive behavioral therapy for treatment. Get practical tips for improving your sleep routine, including the best wind-down practices and the benefits of morning light exposure.
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Sleep Supports Immunity And Vaccines
- Habitual short sleep increases susceptibility to infections and weakens vaccine responses.
- Your body encodes immune responses better when you actually get sufficient sleep after vaccination.
Sleep Regulates Metabolism
- Sleep restriction reduces insulin sensitivity and disrupts appetite hormones, pushing metabolism toward risk.
- Consistent sleep helps regulate blood sugar and makes late-night snacking less compelling.
Long-Term Risks Of Chronic Short Sleep
- Chronic short sleep associates with higher long-term risks like mortality, diabetes, and cardiovascular disease.
- Occasional poor sleep won't doom you, but habitual under-sleeping compounds into serious health harm.