How to Get Out of Bed Without Waking Your Partner at 3 A.M.
KEY TAKEAWAYS A shared mattress carries your movement to the other side. In a 2026 review, the four studies that measured it found that 30% to 46% of movements were shared between bed-sharing partners. Research on sound points to the single loudest…
Why the Hallway Light Wakes You Up and Not Your Partner
KEY TAKEAWAYS People differ enormously in how strongly their bodies react to light at night. In one study the gap was more than fiftyfold, so your partner sleeping through the hallway light tells you nothing about yourself. In a large lab study, ordinary…