Key points from article :
Sleep deprivation could make you feel several years older than you really are.
Research shows each night of poor sleep adds 0.23 years to subjective age.
Sufficient sleep makes people feel 5.8 years younger on average.
Participants felt 4.44 years older after restricted sleep of just 4 hours compared to 9 hours.
Feeling more tired corresponded to feeling nearly 10 years older.
Sleep quality impacts how old we feel, which is linked to overall health.
Study by Karolinska Institute, published in Proceedings of the Royal Society B: Biological Sciences.
rioritizing sleep may be the key to feeling younger and healthier.