When you have a cold and experience excessive sweating, this situation is fairly normal and there is no need to worry excessively. Your body is in a state of rest and is metabolizing at a higher rate to combat the invading cold viruses or bacteria. During this time, it is important to keep warm and avoid exposure to wind or cold. After waking, it's advisable to drink an adequate amount of water to stay hydrated and prevent dehydration and electrolyte imbalance. Additionally, under the guidance of a doctor, you should take the appropriate anti-inflammatory and anti-infection medication, or antiviral drugs to treat the condition and alleviate symptoms like sweating. It is recommended to maintain a light diet and avoid spicy, greasy, cold, or irritating foods. It is also essential to follow the doctor's instructions regarding the accurate timing and dosing of medications. Overmedication should be avoided as it could potentially weaken the body and exacerbate symptoms like excessive sweating.