Daylight saving time or some people name it Summer time, is the practice of advancing clocks during summer months by one hour so that light extends into the evening hours, sacrificing normal sunrise times (wikipedia). Usually, when the spring is come, the users of daylight saving time (DST) adjust their clock 1 hour forward, and then adjust it 1 hour backward in the autumn to make it “normal time” again.
Not all nations around the world experience this summer time phenomenon. Almost all areas in North America and Europe experience daylight saving time, but most area in Africa and Asia do not experience DST. Most northern continent countries of South America, which is near the equator also do not observe DST, while southern parts of Brazil, Paraguay, and Uruguay experience daylight saving time. New Zealand and parts of southern Australia are 2 areas in Oceania which observe daylight saving time, while most Oceanian areas do not.
By practicing Daylight saving time, we push our body to wake up 1 hour earlier actually. We have to adjust our biological alarm to the new clock setting. Therefore, some people feel exhausted (even it happens for weeks since the 1st day of DST start) even though you missed only one hour’s sleep. And when it comes to dinner time, according to the DST clock it is time for dinning, but you are not yet hungry. During the night, you feel that you have to go to sleep according the DST clock, but you still haven’t sleepy yet, so you decided to stay awake 1 hour longer. The morning has come, and you have to wake up just the way the DST clock shouting alarm to wake you up. As a result, your bed time is 2 hours shorter than your usual bed time.
Thanks GOD, I live in a comfort zone near equator so I haven’t have to participate in this phenomenon.