Colds can be contagious for about a week. Typically, you're most contagious in the first 2-3 days when symptoms like sneezing and coughing start. It's best to rest and stay hydrated. Have you recently come down with a cold, or is it someone around you? It can be tough balancing rest and responsibilities, so make sure to take care of yourself. Would you like any tips on relieving symptoms or preventing future colds?