Hi,
Happy that you like the game!
As for her waking up:
- buy all the DEX upgrades that lower her wakefulness,
- have sleeping salts (reduce wakefulness) and focus pills (more time for minigames)
- raise her relationship level, so you can give her green tea, suspicious lotion and chapstick balsam
- try patting her head when doing other stuff
- if you want to penetrate the make her cum first
That should do the trick. Good luck!
Cheers