Lack of sleep is one of the major problem that many of the peopleÂ are facing now in this modern world. In olden days people used to sleep for about 9 hours and now it is reduced to 5 or 6 hours. In order to remain healthy you need to get seven to eight hours of sleep in a day. The major cause for this sleep deprivation is involvement of TV, computer, cell phone etc. Lack of sleep results makes us more prone to diseasesÂ like diabetes, heart diseases, blood pressure etc. Lack of sleep may also leads to weight gain, poor health and fatigue.
Stages of Sleep
There are different phases for sleep and it includes REM and Non – REM sleep. REM means rapid eye movement. During REM phase a person has dreams and in this phase the brain activity will be more while the muscle activity will be very low. The Non REM phase is again divided in to four and in the first phase the person will be in between sleep and wake and can be wakened up easily. During the second phase the body temperature drops down and the person will be in a phase of a light sleep. Third and fourth phase involves deep sleep which is otherwise called delta sleep. During this period the body undergoes revitalizing process and thus building up muscles, bones, releases hormones etc. If a person didn’t get this restorative sleep phase then he may have health problems.
Weight Gain Due to Lack of Sleep
Sleep is essential for the release of certain hormones from the autonomous nervous system and hypothalamic pituitary axes. There are two hormones that helps you to control your hunger and they are grehlin and leptin. In which leptin helps you to suppress your hunger while grehlin increases the appetite. When you are not sleeping properly the level of leptin in our bodyÂ decreases and grehlin increases and thus makes usÂ prone to obesity. Lack of sleep increases the amount of cortisol with in the body. Sleep deprivation triggers the storage of fat with in the body and also releases glucose in to the blood stream. The hormone that affects the insulin and glucose metabolism also leads to weight gain duringÂ improper sleep.
In order to lose weight you need to take seven to eight hours of good night sleep every day.