Touch, sight, smell, hearing, and taste are what most people immediately think of when asked about the human senses. While these five major senses get the most attention, there are numerous, often-overlooked senses of the body that can add a great depth of information about what is going on inside of us: for example thermoception (sense of temperature), nociception (sense of pain), and equilibrioception (sense of balance). One of these lesser known senses is interoception, or the sense of the sensations inside your own body, like your heartbeat and your breathing. “It’s like an inner selfie,” Dr. Sahib Khalsa, floatation researcher, says in his 2016 Float Conference talk.