I love all of the suggestions. I would agree that meditation and energy clearing can decrease the amount of sleep you need. My teacher, Master Lin who is an incredible Qi Gong Healer shared that he generally needs only 3-4 hours of sleep a day. This is because he is often operating on a high vibrational level. Our vibration is affected by what we focus on and the emotional reaction that generates as well as the food we eat and the environments we spend time in. So meditation, spending time in nature, eating high vibration foods, energy clearing, being aware of our thoughts, doing something you are passionate about and practicing gratitude can all boost our vibration and possibly require us to need less sleep. I notice that I only need 6 hours of sleep as opposed to 8 when I am doing these things. That said, I believe everyone is different and we need to listen to and honor our bodies needs. I don't want to contribute to an idea that those who need less sleep are somehow more advanced or enlightened. Sleep can be a wonderful way to reboot and heal. My suggestion is to tune into your bodymind and ask your inner guidance what is in the highest good for you?