Intervention protocol in the intervention group:~The intervention protocol consists of 4 techniques that will be performed according to the following order:~Inhibition of the suboccipital muscles.~Parietal Lift.~Sutherland Technique of Sphenobasilar Synchondrosis.~Compression technique of the fourth ventricle (CV4).~Intervention protocol in the control group:~Placebo technique that consists of placing the hands on top of the skull without any therapeutic intention for five minutes.
SIngle-centre interventional single-blinded randomized controlled trial, with random assignment of the subjects in two groups (intervention and control, 1: 1 ratio) and to be carried out with volunteers that present alterations in the quality of sleep. Eligible and accepting subjects participating in the study will be assigned to receive an osteopathic treatment protocol or a placebo technique