heräämisaika
Heräämisaika refers to the time at which an individual wakes up. This time can be influenced by a variety of factors, including biological rhythms, social schedules, and personal habits. The human body has an internal clock, known as the circadian rhythm, which regulates sleep-wake cycles. This rhythm is primarily influenced by light exposure, with darkness signaling the body to produce melatonin, a hormone that promotes sleep, and light signaling the body to decrease melatonin production, promoting wakefulness.
External factors also play a significant role in determining heräämisaika. Many people set alarms to ensure
The duration and quality of sleep preceding heräämisaika are also crucial. Insufficient or poor-quality sleep can