Sleep is not just recovery time for the mind. During healthy sleep, blood pressure dips, heart rate settles, is regulated, and metabolic systems recalibrate for the next day.
Why Sleep Matters for the Heart
Consistently short or fragmented sleep can raise sympathetic nervous system activity. Over time, that may contribute to , , weight gain, and higher risk.
Sleep Apnea Is Often Missed
Loud snoring, gasping, morning headaches, dry mouth, and daytime sleepiness can point to obstructive sleep apnea. Because apnea repeatedly lowers oxygen during sleep, it can place extra strain on the system.
Practical Steps for Better Rest
- Keep wake time consistent, including weekends.
- Get morning light exposure to anchor your circadian rhythm.
- Limit alcohol close to bedtime because it fragments sleep architecture.
- Keep the room cool, dark, and quiet.