i dont know if this is the same thing but for me i get where my head feels like theres alot of pressure... lasts for seconds and then goes away... scares me cuz i immediately start thinking omg its a brain tumor! i have been getting headaches too and not alot of sleep.. so who knows but i do hate that feeling!
Anxiety (self diagnosis)
GERD diagnosed 2002
Mitral Valve Prolapse diagnosed 2005
Seizure disorder diagnosed 1998