Table 2.

Ways of assessing sleep in hospitalized patients including the number of papers using the assessment.

Type of measurements	Type of assessment
Objective measurements	Wrist actigraphy (50 studies) [30,32,35,[37], [38], [39], [40],43,[49], [50], [51], [52], [53],55,57,60,65,66,70,72,[74], [75], [76],82,83,97,101,105,106,110,[114], [115], [116],127,144,145,149,[151], [152], [153],157,161,162,166,172,174,175,183,188,191,253,254], video recordings (1 study) [126], polysomnography (10 studies) [45,56,67,115,125,131,132,143,169,176], silent observations with a 5 or 10-min interval (3 studies) [138,223,255], sleep diaries (34 studies) [13,36,38,43,47,49,50,54,55,57,65,66,70,72,74,79,80,84,98,101,105,121,127,133,136,151,[162], [163], [164],166,175,183,191,253], activity sensors (2 studies) [128,133], Fitbit (2 studies) [31,141], hourly patient sleep log [123], vitalog [147]
Subjective measurements	Interviews (6 studies) [20,113,163,213,256,257], numeric rating scales (3 studies) [58,59,258],
	Sleep in a Children's Hospital Survey (4 studies) [29,66,77,127], Children's Sleep Habit Questionnaire (CSHQ) (4 studies) [20,66,74,77], Patient Sleep Questionnaire + Brief Infant Sleep Questionnaire (1 study) [42], Spence Children's Anxiety Scale and Post-Hospital Behavior Questionnaire (1 study) [66], Potential Hospital Sleep Disruption and Noises Questionnaire [259], Pediatric Sleep Questionnaire [133], Pediatric Quality of Life Inventory [254], Selfmade/unpublished/unvalidated (22 studies) [28,54,66,69,113,117,122,125,137,156,171,177,178,180,204,212,214,216,223,224,260,261], Verran and Snyder-Halpern (VSH) (13 studies) [44,46,75,92,120,142,144,162,170,176,204,211,215], Insomnia Severity Index (ISI) (5 studies) [34,71,109,118,139], Epworth Sleepiness scale (ESS) (9 studies) [85,104,134,136,139,145,166,183,219], PROMIS Sleep disturbance (6 studies) [78,80,89,104,134,160], Sint Mary Hospital Sleep Questionnaire (SMHSQ) (9 studies) [64,91,102,124,190,197,199,219,262], Karolinska sleepiness scale (7 studies) [30,36,60,101,110,183,188], Karolinska Sleep Quality Log (3 studies) [30,110,166], Visual Analogue scale (13 studies) [13,36,58,59,122,132,161,180,183,207,210,216,222], Pittsburgh Sleep Quality Index (PSQI) scores (65 studies) [[33], [34], [35],41,60,61,67,68,73,76,82,[84], [85], [86],88,90,95,[98], [99], [100],103,112,119,121,129,130,139,140,145,146,148,154,158,163,165,168,173,[181], [182], [183], [184], [185], [186], [187], [188], [189],[193], [194], [195],202,203,205,206,208,217,223,[225], [226], [227], [228],[263], [264], [265]], Richards-Campbell Sleep Questionnaire (RCSQ) scores (26 studies) [31,[62], [63], [64],79,82,87,93,94,96,107,108,128,135,149,150,153,155,159,192,198,200,201,207,209,220,221], Quality of Life Questionnaire – Core 30 [53], Edmonton Symptom Assessment Scale [222], Leeds Sleep Evaluation questionnaire [158]