Table 1.

Population description and lockdown environment (N = 599)

	Median (IQR) or N (%)
Study population characteristics
Age	47 (36–59)
Sex
Male	424 (71)
Female	175 (29)
Chronotype (N = 424)
rMEQ score	15 (12–17)
Morningness	97 (23)
Eveningness	78 (18)
Neither	249 (59)
Moderate to severe symptoms of anxiety (HADS-A >10)	112 (19)
Moderate to severe symptoms of insomnia (ISI ≥10)	366 (61)
Patient’s ecosystem during lockdown
Sharing home with baby, young children, or teenager	168 (29)
Surrounding sleep environment compared to before lockdown:
Quieter	266 (45)
As noisy	311 (53)
Noisier	15 (3)
Usage of screens and digital media in the 2 h preceding bedtime:
Less screen use than before lockdown	32 (5)
As much screen use than before lockdown	419 (71)
More screen use than before lockdown	143 (24)
On furlough	175 (29)

rMEQ = reduced Morningness–Eveningness Questionnaire; ISI = Insomnia Severity Index; HADS-A = Hospital Anxiety and Depression Scale—anxiety section.