How much sleep is enough for humans?

1. How much sleep is enough for humans?

• A

  Depending on age

  According to MSc. Dr. Hoang Chau Bao Dinh, Tam Anh General Hospital, Ho Chi Minh City, adults should sleep for 7 to 9 hours each night. For young children and those under 18, sleep time may vary depending on age. Children under 1 year old should sleep 12-16 hours per day, while children aged 1-5 years need 11-14 hours. From 6-12 years old, children can reduce their total sleep time to 9-12 hours. At ages 13-18, the necessary sleep time each day is 8-10 hours.

• B

  8 hours

• C

  9 hours

• D

  10 hours

2. How many sleep cycles are there in a typical sleep cycle?

• A

  1-2 cycles

• B

  2-3 cycles

• C

  3-4 cycles

• D

  4-5 cycles

  According to MSc. Dr. Hoang Chau Bao Dinh, Tam Anh General Hospital, Ho Chi Minh City, studies on human sleep cycles show that, on average, there are 4-5 sleep cycles per night. The total number of sleep cycles per night can vary from person to person and changes due to many factors such as age, sleep habits, lifestyle, and drinking alcohol before bed.

3. How long does a sleep cycle last?

• A

  50-60 minutes

• B

  60-70 minutes

• C

  70-80 minutes

• D

  90 – 110 minutes

  On average, a sleep cycle lasts about 90-110 minutes, but not all sleep cycles within a night are the same length. The duration of sleep cycles varies throughout the night. Typically, the first cycle lasts from 70 to 100 minutes. Subsequent cycles are longer, ranging from 90 to 120 minutes.

Nhu Loan

Source: https://vtcnews.vn/con-nguoi-ngu-bao-nhieu-la-du-ar907849.html