The context of the following conversation is Ash awoke the next morning, after taking sleeping pills the night before.:
Ash says Boy, did I sleep well last night. What a snooze!.
The friend responds How did you manage that? You've been sleeping so badly lately..
Ash responds I gave in and took sleeping pills. I couldn't face another sleepless night..
The friend responds I don't blame you. It can start to drive you nuts when you can't sleep..
Ash responds Let's hope I can sleep tonight without them..
The friend responds Yeah, that's the hard part, isn't it?.