๊ฑด๊ฐ
์ฆ์, ๋น๊ณต๊ฐ, ๋ฌด๋ฃ
๊ธฐ์ ์๊ฐ ๊ณ์ฐ๊ธฐ.
์ทจ์นจ ์๊ฐ์ ๊ธฐ๋ฐ์ผ๋ก ์ด์์ ์ธ ๊ธฐ์ ์๊ฐ์ ๊ณ์ฐํ์ธ์
๊ฐ์ ์ ๋ ฅํ์ธ์
์ ๋ ฅํ๋ ๋์ ๊ฒฐ๊ณผ๊ฐ ์ ๋ฐ์ดํธ๋ฉ๋๋ค.
์์ฃผ ๋ฌป๋ ์ง๋ฌธ
Why do I feel tired even after 8 hours of sleep?
You might be waking in the middle of a sleep cycle. Waking at cycle boundaries can feel more refreshing than a strict hour target.
Should I use 5 or 6 sleep cycles?
Most adults do well with 5-6 cycles (about 7.5 to 9 hours including fall-asleep time), but individual needs vary.
How to Use the Wake-Up Time Calculator
Find the best times to wake up if you go to sleep now or at a set time.
- Enter the time you plan to fall asleep.
- See recommended wake-up times.
- Choose one at the end of a full sleep cycle.
Sleep Cycle Logic
Wake Time
Add fall-asleep time plus whole 90-minute cycles.
Example:
Input: asleep 11:00, 5 cycles
Calculation: 11:00 + 15min + 450min
Result: โ 6:45 AM
Real-World Use Cases
Nap Planning
Choose a wake time that avoids grogginess.
Early Starts
Plan sleep before an early commitment.
Tips
Tips
- Aim for complete cycles to avoid grogginess.
- Consistency in sleep and wake times improves sleep quality.