Numb dizy heavy head. (neaurologist?

1. Even after full night sleep, i feel numb headed after waking up. Head region above ears when pressed pains also gives bit of relief. If i cup back of neck with both hands and press, it relieves me of numbness for some time. Coffee, tea also seems to help gain bit of focus but momentarily. 2. My memory power seems reduced. 3. Even small issues(like an argument with someone) has large impact on my psyche and destroys my sleep(i wake up at 2 am and can't sleep again). 4. I can't think of any personal improvement or passion or fun as pending work is in my head all the time. Issue 1 has been there for too long. Issue 2, 3 and 4 are recent (3-4) months. Please advice me on how to go about the issues described above. What is the remedy. If i need to see a doctor, which speciality (neaurologist?)