In short: yes. The Buddha taught mindfulness in all four postures: "When lying down they know: 'I am lying down'" (MN 10). Lying down is good for a body scan or before sleep. If you start to doze, sit up.
- 🦁 Lion's posture: on the right side, one foot on the other (AN 4.246)
- 🪷 Body scan on your back (how)
- ☾ Before sleep: 5-minute guided sleep practice
Questions people ask
Is it OK to meditate lying down?
Yes. 'When lying down they know: I am lying down' (MN 10). It is good for body scans and before sleep; sit up if you get drowsy.