The ideal sleep hours are found to be more in childhood, decreases in the youth period and further reduces in the middle and old age.
As such with the age we need less sleep or it depend upon the tendency of a person? Man need less sleep or woman? Why?
If you are below 30 years old, you need 8 hours sleep; if you are above 30 years old, you need 6 hours of good sleep.
We need 8 hrs sleep ideally at any age. Sound sleep keeps us healthy
Children needs more hours to sleep from 8-12 hours. Teenagers will need 8-10 hours. Young adults 8 hours. Elderly one 8 hours. Sleeping below 6 hours is detrimental to our health! I have this knowledge but its sometimes hard to get enough sleep because of research! I strive not to be a defaulter of the right measure of sleep.
See the excellent normative data in Wiiliams, R. L., Karacan, I., & Hursch, C. J. (1974). Electroencephalography (EEG) of Human Sleep: Clinical Applications. New York: Wiley.
Thanks to all my RG colleagues. To conclude I think 6-8 hrs sleep is necessary. In particular let me thank Harry Barton Essel, Dickson Adom, Nada A Rasheed, Mittal,Ankit, Hitesh and James C Miller
Young adults between 07:30 and 08:30 hours.
Aged ones between 07:30 and 08:00 hours.
Thanks to all my RG colleagues. To conclude I think 6-8 hrs sleep is necessary.
For some more evidence you may have a look at the following publications:
- Hirshkowitz, M., Whiton, K., Albert, S. M., et al. (2015). National Sleep Foundation’s sleep time duration recommendations: methodology and results summary. Sleep Health 1, 40–43. doi: 10.1016/j.sleh.2014.12.010
- Watson, N. F., Badr, M. S., Belenky, G., Bliwise, D.L. , et al. (2015). Recommended Amount of Sleep for a Healthy Adult: A Joint Consensus Statement of the American Academy of Sleep Medicine and Sleep Research Society. Sleep 38(6):843-4. doi: 10.5665/sleep.4716
Males need 8h and females 9 h of sleep. 15% of the population prefer long morning sleep and are awake late in the night. Conditions like hypothyreosis make you need more sleep.
WASHINGTON, DC, ( February 2, 2015)-- The National Sleep Foundation (NSF), along with a multi-disciplinary expert panel, issued its new recommendations for appropriate sleep durations. The report recommends wider appropriate sleep ranges for most age groups. The results are published in Sleep Health: The Journal of the National Sleep Foundation . The National Sleep Foundation convened experts from sleep, anatomy and physiology, as well as pediatrics, neurology, gerontology and gynecology to reach a consensus from the broadest range of scientific disciplines. The panel revised the recommended sleep ranges for all six children and teen age groups. A summary of the new recommendations includes:
- Newborns (0-3 months): Sleep range narrowed to 14-17 hours each day (previously it was 12-18)
- Infants (4-11 months): Sleep range widened two hours to 12-15 hours (previously it was 14-15)
- Toddlers (1-2 years): Sleep range widened by one hour to 11-14 hours (previously it was 12-14)
- Preschoolers (3-5): Sleep range widened by one hour to 10-13 hours (previously it was 11-13)
- School age children (6-13): Sleep range widened by one hour to 9-11 hours (previously it was 10-11)
- Teenagers (14-17): Sleep range widened by one hour to 8-10 hours (previously it was 8.5-9.5)
- Younger adults (18-25): Sleep range is 7-9 hours (new age category)
- Adults (26-64): Sleep range did not change and remains 7-9 hours
- Older adults (65+): Sleep range is 7-8 hours (new age category)
- https://sleepfoundation.org/press-release/national-sleep-foundation-recommends-new-sleep-times
Newborns (0-3 months): 14-17 hours each day.
Infants (4-11 months): 12-15 hours each day.
Toddlers (1-2 years): 11-14 hours each day.
Preschoolers (3-5): 10-13 hours each day.
School age children (6-13): 9-11 hours each day.
Teenagers (14-17): 8-10 hours each day.
Younger adults (18-25): 7-9 hours each day.
Adults (26-64): 7-9 hours each day.
Older adults (65+): 7-8 hours each day.
https://www.sleephealthjournal.org/article/S2352-7218(15)00015-7/pdf
I do not believe that every one has the same sleeping times and habits. Genetically influenced traits and attitudes differ from person to person. pain, anxiety and several medical conditions all affect individuals and alter sleep patterns too. No two individual can have the same sleep pattern. The categorization by Arvind Singh is okay and the article he cited is also helpful. However, I do not support the generalizations about sleep cycles and awakenings and would rather treat them as individual-specific considering the numerous conditions that alter those cycles. The amount and quality of sleep is a function of a myriad of factors, external and internal. Sleep hours are therefore anything but ideal for anyone.
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