Excessive working hours can also negatively affect sleep quality. It’s also a good idea to get at least 7 to 8 hours of rest.
• children 3 to 5 years of age should sleep 10 to 13 hours
How to sleep 8 hours in 4 hours mental hospital. Several studies have found an association between depression and long working hours [12,30,31,32,33,34].working more than 34 h per week , 55 h per week , and 48 h per week  increased the chance of experiencing depression and anxiety.a recent study by ogawa et al. • infants* 4 months to 12 months should sleep 12 to 16 hours per 24 hours (including naps) on a regular basis to promote optimal health. 14 to 17 hours, including naps;
12 to 16 hours, including naps; (2) working on weekends is also likely to impose risks to the mental health of white. To investigate the association between sleep duration and cognitive decline by a pooled analysis of 2 nationally representative aging cohorts.
10 to 13 hours, including naps You can start by going to bed early rather than sleeping in late.  katie swaden lewis, et al., “sleep loss as a trigger of mood episodes in bipolar disorder:
Toddlers (1 to 2 years): Therefore, we aimed to examine the prevalence of sleep problems among tertiary hospital employees in china and identify associated factors. The estimated percentage of short sleep duration of less than 6 hours/day was 23.0% in patients with diabetes and 12.3% in healthy controls, while the proportion of short sleep duration of less than 7 hours/day was 38.0% in patients with diabetes and 14.1% in healthy controls.
The key results obtained from table 5, table 6, table 7, table 8 are summarized as follows: Preschoolers (3 to 4 years): However, studies focusing on healthcare workers in tertiary hospitals in china are limited.
The number of hours people are required to work has a pervasive influence on both physical and mental health. < 6 hours, 6 to < 7 hours, 7 to < 8 hours, 8 to < 9 hours, 9 to < 10 hours, 10 to < 11 hours, 11 to < 12 hours, 12 to < 13 hours, 13 to < 14 On average the doctors got 4.5 hours sleep during a 32 h shift.
Children 3 to 5 years  “people who sleep less than 8 hours a night more likely to suffer from depression, anxiety”, sciencedaily, january 4, 2018. Recommended hours sleep by age group.
This study, like many others, seems to suggest that our biological need for sleep might be closer to the 10 hours per day that is typical of monkeys and apes living in the wild, than the 7 to 7.5. 11 to 14 hours, including naps; An association between sleep duration and the trajectory of cognitive decline has not been conclusively demonstrated.
Children 1 to 2 years of age should sleep 11 to 14 hours per 24 hours (including naps) on a regular basis to promote optimal health. It’s possible to recover from sleep deprivation by sleeping more. However, every adult is different and some may even require less than 6 hours of sleep to function.
• children 1 to 2 years of age should sleep 11 to 14 hours per 24 hours (including naps) on a regular basis to promote optimal health. The impact at work of mental health problems can have serious consequences for individuals’ as well as for organizations’ productivity.  investigated the effects of long working hours on depression symptoms for japanese residents.
Individual differences based on diagnostic subtype and gender” , the british journal of psychiatry : Every member of the team showed an increase in sleep time, with the shortest logging in at 8.8 hours a day, and the longest almost 12 hours a day. Ment, “based on the available evidence, [x] hours of sleep is associated with optimal health within the [x] category in the [x] age group.” “hours of sleep” was categorized as:
These normative sleep duration values may aid in the interpretation of. Infants 4 months to 12 months should sleep 12 to 16 hours per 24 hours (including naps) on a regular basis to promote optimal health. Objectives sleep problems are common among healthcare workers, especially among those who work in tertiary hospitals;