“…21,[45][46][47][48] These biological markers could subsequently and over time lead to the development of, or exacerbate, adverse health conditions, including obesity, diabetes, hypertension, coronary heart disease, heart failure, 21,45,47 emotional, mental, and psychological disorders (e.g., stress, anxiety, depression, alcohol dependence, suicidality), and cognitive impairments such as Alzheimer's or other dementias, and could contribute to functional limitations or loss of independence. 1,45,49,50 These medical conditions could also result in subsequent insomnia symptoms 2,5 and are the leading causes of higher HSU. 51,52 Another plausible mechanism that indirectly links insomnia symptoms to HSU is the effect of inadequate or maladaptive health behaviors such as alcohol, nicotine, and tobacco use, poor physical activity, poor diet quality, opiates, cannabis, and other substance use among individuals with the insomnia symptoms.…”