She initially wanted to refuse the potion her husband offered her when they climbed the stairs back up to their bedroom. Somehow it seemed like cheating to allow the liquid magic to calm her thoughts and help her sleep. He was insistent. Besides being unable to sleep before they viewed his memory in the pensieve, their late-night adventure downstairs took a lot out of her both physically and emotionally. Her body and her mind needed to rest. How could she expect to get any better if she didn't give herself time to heal?