I get this too occasionally. I find it correlates with being extra stressed or exhausted. If I workout too hard, or stay up to long or too much is happening at

I get this too occasionally. I find it correlates with being extra stressed or exhausted. If I workout too hard, or stay up to long or too much is happening at work and I'm tanked, I get the ZZZAAPPPP noise in my head when falling asleep. A lot of folks say its related to withdrawing from Antidepressants. But I'm not on anything and havent been, so who knows what actually causes it