If you are on medications, this could be a side effect.
If you have PTSD, it could be you body trying to deal with it. If this is the case, I suggest therapy.
You can try meditation prior to sleep, or anytime during the day to reduce anxiety.
Insight Timer is a free APP you can download onto your phone.
Moderator - Depression
"...when the gift of sight is cause enough for jubilation."
Billy Collins from the poem. HIGH
DX: reverse Trigeminal Neuralgia;Cluster headaches; Atypical face pain;Hemicrania Continua; raynauds;complex PTSD; recurring MDD,disassociative disorder;