Disturbing circadian rhythm
The human body operates according to the 24-hour circadian rhythm, regulating many important functions such as heart rate, blood pressure and hormones. When the sleep schedule is unstable, the circadian clock is disrupted, causing the nervous system to always be in a state of tension, increasing pressure on the heart over time.
Prevents blood pressure from decreasing at night
Usually, blood pressure will decrease when sleeping for the body to rest. However, irregular sleep can prevent blood pressure from falling as normal, leading to higher average blood pressure levels and increasing the risk of cardiovascular disease.
Causing metabolic disorders
Lack of sleep or irregular sleep makes the body easily crave energy-rich foods, and also affects the ability to control blood sugar and hunger. This makes it more difficult to maintain a healthy diet and exercise.
Promotes chronic inflammation
Unstable sleep can increase inflammation in the body - a factor related to atherosclerosis. Both lack of sleep and excessive sleep can cause hormonal imbalances, affect metabolism and increase the risk of heart disease.
