What led to the disintegration of the ottoman empire

There were a few ways.

It was the way they organized there empire

And nationalism

Suleyman executed his 2 son, leaving Selim II to rule but were more interested in sexual and alcoholic pleasures so gave ministers more power. Position of minister had become hereditary (putting less qualified people in power, as result local officials grew corrupts and taxes rose)

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.