In a new study published by the sleep research society found support pushing back the start time for schools, shows that a later start to the day resulted in more sleep and better mood in adolescent girls. The study was conducted in a girls ‘ school in Singapore and focused on about 150 students in the seventh through the 10th class (average age 14 years). Schools with delayed start by 45 minutes, shifts from 7:30 a.m. to 8:15 a.m. start, and studied the effects on students.
After one month, students reported 23 minutes in bed. In addition, the percentage of students who had at least eight hours every night in bed, increased from 6.9 percent to 16.1 percent. The most important conclusion, however, was students ‘ self-esteem, improves mood. They reported less depression, less drowsiness and overall “feel more fresh” during the school day.
Benefits after nine months, according to the study, is encouraging, because it means that the change in time of the beginning of school can have a lasting effect.
Some were concerned that delaying the start time of school is delayed going to sleep, thereby perpetuating a vicious circle of insufficient sleep. However, in nine months, the researchers found that the participants spent approximately the same amount of time in bed as they were at one-month follow-up.
Shares/Getty ImagesA teen lying on the sofa.
Also nine months later, the students were not simply the increase of time “in bed” as well as an increase in time sleeping. Participants wore wrist actigraphs are small devices that track activity levels and sleep. According to their “actigraphy,” the students had about 10 minutes of sleep every night. These increases were not seen in one month later, implying that institutional changes, such as delayed start times at school may take some time before they really impact routines and sleep cycles.
With the support of science, and later times at the school don’t seem supported schools. In 2012, only 17.7% of U.S. public schools had a start time of 8:30 a.m. or later-an average of 8:03 am
Starting school later, critics argue, transport problems, especially those related to school buses in rush hour. Others fear that the delay starting time of school will be difficult to plan extra-curricular activities.
But from the point of view of health, insufficient sleep not only leads to sad or anxious moods, inattentive behavior and poor academic performance in school. Teenagers are already at risk of accidents, and Teens are sleep deprived, have an even higher risk. Not to mention, sleep deprivation can also cause obesity, heart disease and diabetes later in life.
Regardless of the time of starting your school, pediatricians beg Teens stick to a regular bedtime and limit your mobile phone, tablet and TV use before bed. According to the National sleep Foundation, the blue light on the screens reduces the body’s natural production of melatonin, has a devastating impact on our sleep cycle. Many argue that the media “curfew” about 30 minutes before bed is perfect for Teens.
It’s not very painful for parents.
Sourse: abcnews.go.com
