When I look at the clock it's 5:40 am, time and again I suddenly wake up at 5:40 am and these are my normal rhythms during these six months. I usually always sleep at 2 a.m. and wake up before dawn. However, I have difficulty getting back to sleep. How ironic when I see this slogan on my phone, in fact, with such poor sleep quality, how can I enjoy my life? The poor quality of sleep was almost unbearable. I hope that with this action plan I can improve my unwanted behavior, join the world of sleep and enjoy my life. Say no to plagiarism. Get a tailor-made essay on “Why violent video games should not be banned”? Get an original essay Why do I have this unwanted behavior In the past, I usually slept at 11:30 a.m. and woke up at 8:00 a.m. because my whole lesson started at 9:30 a.m. Everything started to change since I lived in the campus dorm and met my roommates. They are outgoing and liked to play Mahjong or a board game with my classmates, so they always stay up late. However, I am sensitive to light and sound, it is difficult for me to sleep before bed and I can only sleep lightly. Later, I started wearing an eye patch and earplugs. However, I can't sleep well because I think about various things like my peers, my family, my homework, etc. Additionally, my sleep quality is poor. After class, I usually go back to the dorm and take a nap for at least 1-2 hours. In the end, even though I wish I could sleep earlier, I can barely sleep at night. Sleep quality becomes even worse, which is why I always wake up before dawn. Sometimes my roommates invite me out at midnight to get a late-night snack or dessert because my stomach is too full and I can't really sleep. Also, I like to play with my smartphone even if there is nothing interesting, I can lie on the bed and play for at least 2-3 hours. All this made me more energetic and insomniac. Why should I change my unwanted behavior? In fact, every day I sleep less than 5 hours for the reasons above. However, the National Sleep Foundation has suggested that the acceptable sleep range for young adults ages 18 to 25 is between 6 and 11 hours. This means my sleep duration is out of the acceptable range. This is the first step leading to poor quality sleep. As a result, it affects my daily life both physically and psychologically. Firstly, I notice that I am gaining a lot of weight. Taheri, S., Lin, L., Austin, D., Young, T. and Mignot, E. (2004) observed that people who are sleep deprived tend to decrease the amount of leptin and increase the amount of ghrelin in their body. their bodies. In fact, ghrelin can stimulate hunger while leptin signals satiety to our brains and suppresses our appetite. Second, my immune system is weakening. During these six months, I often catch a cold or flu. Poor sleep quality and insufficient sleep time affects my immune system which produces fewer antibodies and T cells to counteract the disease. More importantly, poor sleep quality takes a toll on my interpersonal relationships. Due to poor sleep quality, I cannot maintain enough energy for my daily activities. Additionally, I began to become apathetic and indifferent to the environment around me every day. My friends once told me that I was a talkative person, but recently I've been more reluctant. In fact, my poor sleep quality..