this condition is because of vaat dosh vridhi in body, external factors such as stress increase the severity leading to disturbed sleep.and becouse of incomplete sleep ,lightheadedness and headache is common.Headaches that are linked to sleep include wake-up headache .
Next Steps
consult an expert ayurvedic doctor
Health Tips
walking 30 minutes in the evening proves to reduce stress and anxiety and help you feel better,happy to resolve your query abstract Ayurveda