Insomnia has been known to cause health issues such as diabetes, obesity, and cardiovascular diseases.

How beds are shared in a particular culture says a lot about their customs, environmental conditions, values, and material wealth. Besides, who you share your bed with can determine the quality and the amount of sleep that you get, yet another testimony to the fact that sleeping patterns are as much a cultural factor as they are biological.

Oversleeping could be the result of multiple causes; stress, unbalanced diet, overworking, etc. In extreme cases, a doctor should be consulted as some people might develop sleeping disorders.

A Bangladeshi research published in a US-based journal found prevalence of heart disease, hypertension and diabetes among the people with sleeping disorders.

Chinese scientists make clones of a gene-edited macaque to aid research of circadian rhythm disorders that are linked to sleep problems, depression and Alzheimer's disease, the official Xinhua news agency says.