Method to create bliss in mind and induce sleep includes steps in its first preferred embodiment: 1. Calming mind of intrusive thoughts or decreasing of excited-signals in the brain to prepare for a sleep cycle by concentrating upon one principal thought. 2. Splitting mind to activate master-clock in the brain to induce a sleep cycle by concentrating upon two or more principal thoughts. Method to teach for sleep includes steps in its second preferred embodiment: 1. Identify reason(s) for intrusive thoughts and select appropriate principal thoughts. 2. Practice and learn to calm mind using one principal thought. 3. Practice and learn to split mind and fall-asleep using two or more principal thoughts at the same time.