There are no wrong times. The best times are when you do not have to get up early whenever that is. You have plenty of time to relax so your mind is not stressed by thinking I have to get up out of bed. The weekends are a good time. For me the easiest time to ap is after a few hours or more of sleep. Not when I feel tired. If I feel tired I usually fall asleep. The more times you try, the more chances you are likely to succeed. You said you get vibrations. That is a very good. You are ready to get out of your body. You just have to learn and practice to do it. We do not always get vibrations to ap. It is great to get a vibration because you know you can ap.