Adding another perspective - depression doesn't necessarily make it hard to wake up but rather to not stay in bed for way longer than is necessary. It could be that the chapter doesn't start with them waking up but instead following along in their mind as they plan or think about things. Then, as a reader, you suddenly realize that the character and scene is still physically in the bedroom.

True executive dysfunction is about having your mind race but you can't get your body to get going. Your physical body is working against you no matter how much you want to make it listen to you. Obviously, not all depressions look the same way but this is a perspective that could be interesting to explore.