“…Many studies have shown that factors related to sleep quality include age [ 2 , 3 ], sex [ 2 , 4 ], sociodemographic factors [ 5 , 6 , 7 , 8 , 9 ], smoking [ 10 , 11 ], health conditions including hypertension [ 3 , 4 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 ], cardiovascular disease [ 4 , 22 , 23 , 24 , 25 , 26 ], diabetes [ 27 ], heart failure [ 28 ], mental health issues including cognitive impairment and Alzheimer’s disease [ 29 ], anxiety [ 30 , 31 , 32 , 33 , 34 ], and depression [ 3 ]. Other sleep-related variables such as pain [ 35 , 36 , 37 , 38 , 39 ], bad dreams [ 2 , 40 ], nocturia [ 2 ], environmental noise [ 41 ], and secondhand smoke [ 42 , 43 , …”