Cranial techniques
Before applying osteopathic craniosacral therapy, all participants from the study group (N = 30) were acquainted with its methodology. Therapy sessions were held in a warm, quiet room, and due to the time of day (9.30 a.m. and 1.00 p.m.), no artificial light (room lighting) was used. The therapeutic intervention sessions were conducted once a week for five consecutive weeks, with experimental sessions conducted between 9:30 a.m. and 1:00 p.m. With the participants supine, the same female therapist administered the therapy each time according to the previously described procedure