Unstable sleep: awaken abruptly in the middle of the night, and parents are hassled because of the complaints of their children.
Fragmented light sleep: dwelling in light sleep reducing the duration of deep sleep.
Growth hormones are unable to secrete normally:70% of growth hormones are secreted during nighttime sleep.
Affects physical growth and development: growth will be prone to problems when the child has not slept well for more than 3 months.
Neurocognitive development :more than 18 hours of sleep is the key to an intact brain development; multiple researchers have shown that sufficient and high quality sleep contributes to brain development.
Age | Daytime Sleeping Time | Nighttime Sleeping Time | Total Sleeping Time |
---|---|---|---|
1 week |
8hr(4) | 8.5hr | 16.5hr |
4 week |
6.5hr(3) | 8.5hr | 16.5hr |
3 months | 5hr(3) | 10hr | 15hr |
6 months | 3.5hr(2) | 11hr | 14.5hr |
9 months | 2.5hr(2) | 11.5hr | 14hr |
12 months | 2.5hr(2) | 11.5hr | 13.5hr |
Age | Daytime Sleeping Time | Nighttime Sleeping Time | Total Sleeping Time |
---|---|---|---|
18 months | 2hr(2) | 11.5hr | 13.5hr |
2 years old | 1.5hr | 11.5hr | 13hr |
3 years old | 1hr | 11hr | 12hr |
4 years old | - | 11.5hr | 11.5hr |
5 years old | - | 11hr | 11hr |