How Sleep Affects Mental Health

🛌 Optimal Sleep Duration
Getting 7–9 hours of sleep per night is linked to better mental health compared to sleeping less than 7 hours or more than 9 hours.

😴 Poor Sleep and Mental Illness
Poor sleep is associated with depression, anxiety, PTSD, eating disorders, and even hallucinations or delusions.

💊 Impact on Recovery
People with depression and insomnia often respond less well to treatment and have a higher risk of relapse.

🌙 Better Sleep Helps
Improving sleep quality can lead to better mental health outcomes.

Why Does Sleep Matter for the Brain?

🔥 Inflammation
Sleep problems increase inflammatory chemicals in the body, which can affect mood.

🧠 Brain Structure
Poor sleep is linked to reduced size of the hippocampus, important for memory and emotional regulation.

âš¡ Oxidative Stress
During wakefulness, harmful molecules build up in the brain. Sleep helps clear them away.

💥 Stress Response
Sleep disruption affects stress systems in the body, making it harder to cope with stress.

✅ Want to learn more? Click on the Sleep tab for tips and advice.

a woman sleeping on a bed with a blue blanket
a woman sleeping on a bed with a blue blanket