PREVALENCE

Insomnia represents a major public health issue and is among the most frequent concerns encountered in clinical practice, with symptoms present in about 33–60% of the adult population.

MAIN SYMPTOMS

• Difficulty initiating sleep
• Repeated awakening during the night with trouble returning to sleep
• Waking up too early despite adequate time to sleep
• Impairment of daytime functioning

Insomnia has been associated with an increased risk of cardiovascular disease, hypertension, type-2 diabetes mellitus, GERD, and asthma.

References:

1. Mellinger, G. D., et al. Insomnia and its treatment: prevalence and correlates. Archives of general psychiatry 1986; 42(3): 226-232. 

2. Ancoli-Israel, S. and T. Roth. Characteristics of insomnia in the United States: results of the 1991 National Sleep Foundation Survey. I. Sleep 1999; 22: S347-363. 

3. Bollu, P. C., & Kaur, H. (2019). Sleep medicine: Insomnia and sleep. In Sleep medicine single series. Elsevier.

IN-DG-EI-26A-03