All the symptoms which you have explained point toward Vata imbalance. It can be managed by Panchkarma, Pranayam and Yoga Nidra.
Patients with such complaints generally have constipation which is going to increase Vata leading to mental disturbances like agitation, irritation, short tempered Ness and insomnia
Next Steps
You can try a very safe formulation by the name Manasa Mitra vati
This tablet if taken twice daily, will help in relaxing mind and supporting the cognitive functions.
There is another tablet called as Brihat VaatChintamani Ras
This can be used along with RasaRaja Rasa and Khanjankari Ras
Health Tips
These tablets will definitely help you, but for proper dosage and good guidance. You need to consult online or off-line.