The context of the following conversation is Ash awoke the next morning, after taking sleeping pills the night before.:
Ash says I feel groggy this morning after taking some sleeping pills last night..
The friend responds Why did you need sleeping pills?.
Ash responds I haven't been able to sleep well so I decided to try them..
The friend responds Did they help at all?.
Ash responds They were very good for sleeping but I think I'll need some coffee today to get going..
The friend responds I am glad they worked even if they aren't easy to shake off..