obstructive sleep apnoea is a diseases where there will be temporary obstruction to your breathing thus reduced oxygen concentrations in your followed by sudden awakening and deep breathing to compansate for the same. it usually occurs due to many causes including weak throat muscles, obesity, huge enlargement of tonsils and adenoids, and space occupying lesion of nose and throat usuall symptoms of this condition include daytime sleepiness, generalised weakness, inability to concentrate, loud snoring your awakening usually won't be known to you and usually informed by your partner who sleeps alongside you your symptoms are not suggestive of sleep apnoea but points towards nasal obstruction with mouth breathing and likely lung related ailment mostly allergy consult a nearby ENT specialist for further evaluation

You could be suffering from Obstructive Sleep Apnoea Syndrome. In addition to the symptoms you described, do you have dryness in throat and chest burns on waking up in mornings? If so, call me on +919611396994 to fix up an appointment for a consultation.