This might be a few things such as stress, sleeplessness, and bad food quality. Using alpha GPC tablets can be a way to boost your memory and concentration. But, first, you should deal with the main cause of your symptoms, such as not enough sleep, a balanced diet, and stress management. To improve your studying, you may want to make a study schedule, take breaks, and keep things organized. 

You may have trouble­ sleeping. Not slee­ping well means finding it hard to doze off or stay re­sted through the night. Daytime tire­dness and lack of focus could signify this problem. Common culprits – anxiety, stre­ss, and poor sleep patterns. To re­st better, wind down before­ bed with calming activities. Avoid scree­ns late at night. Most importantly, keep your sle­ep schedule consiste­nt.

A stroke is a nervous system problem that can cause symptoms like weakness, difficulty speaking, and confusion. It happens when the brain is starved of oxygen due to a blocked blood vessel or a burst blood vessel. Stroke treatment varies and may include medications, therapy, or surgery. The best chance of recovery is if you get to the hospital as soon as possible.

Vertigo is a sensation you or the environment around you is spinning. It can be due to structural abnormalities in the inner ear or the brain. Symptoms are dizziness, nausea, and an imbalanced stature. The therapy for the cause is vertigo which is determined by the cause. It may consist of exercising and medication, or maneuvers that help move tiny particles in the inner ear. With proper treatment, vertigo might be controlled or cured.

Yes, migraines can occur on and off throughout the day. Migraine attacks are characterized by severe headaches often accompanied by other symptoms like nausea, sensitivity to light, or aura. The duration and frequency of migraines vary among individuals, and some may experience multiple episodes in a day. If you're experiencing frequent or severe migraines, it's advisable to consult a healthcare professional for proper evaluation and management.