Is There a Relation between Tension-Type Headache, Temporomandibular Disorders and Sleep?

Table 4

Sleep/tiredness/snoring questionnaire in TTH patients and healthy controls, describing the quality of sleep, the normal length of sleep, and hours of sleep per night. Mean values (SD) are indicated.

	Headache patients	Controls	P value
Total sleep score	38.4 ± 7.2	30.3 ± 4.8	<0.001
Normal length of sleep (hours)	7.2 ± 1.0	7.2 ± 0.9	0.840
Hours of sleep this night	6.8 ± 1.1	7.2 ± 1.47	0.065