Find out how much sleep you need based on your age. Recommendations for a healthy lifestyle.
Guide to Healthy Sleep
Why is sleep important?
Sleep is fundamental for physical and mental health. During sleep, the body regenerates, repairs tissues, strengthens the immune system, and processes information collected during the day. Sleep deprivation increases the risk of heart disease, obesity, diabetes, depression, and impairs concentration. Adults need 7-9 hours of sleep each night, but sleep quality is as important as quantity. Sleep benefits the entire body - from brain to metabolism.
Sleep stages
- Light sleep (N1 and N2) - transitional phase, easy waking, body relaxes
- Deep sleep (N3) - recovery phase, growth hormone increases, tissue repair
- REM sleep - paradoxical sleep phase, dreaming, memory consolidation
Sleep hygiene
To improve sleep quality, maintain a regular sleep schedule (going to bed and waking up at the same time), avoid caffeine and alcohol before bed, limit blue light exposure in the evening, ensure a cool and dark sleeping environment, and exercise regularly (but not right before bed). Also, use the bed only for sleep - not for work or watching TV.
Sleep disorders
The most common sleep disorders are insomnia (difficulty falling asleep or staying asleep), sleep apnea (breathing interruptions during sleep), and restless leg syndrome. If you have sleep problems regularly for more than 3 months, consult a doctor. Professional help can significantly improve quality of life. Remember, chronic sleep deprivation has serious health consequences.