Yes sleep apnea can cause headaches because you are being deprived of oxygen while sleeping. The researchers also found that patients with active cluster headaches had significantly higher maximum end-tidal carbon dioxide levels than did those whose cluster headaches were inactive during the study. In general headaches can have many causes, some trivial and some life threatening. Don’t presume that a sleep apnea diagnosis will be the key.

People suffering from sleep apnea have strong and frequent snoring interrupted by short periods of silence and interruption of breathing due to the obstruction of air passages. This head ache last at night and will prevent u from sleeping. The headaches may also be because of any other reasons. By physical examination only it can be proved that it is because of sleep apnea.

The problems caused by sleep and oxygenation of the blood also cause headaches at night. Patients with sleep apnea may also suffer from cumulative headaches. Patients who wake up at night and have a cumulative headache should ask their physicians to consider whether suffering from sleep apnea. Although rare, in children sleep apnea can cause developmental delays and can cause the right side of the heart to get bigger.