Correspondence: circadian melatonin rhythms in critically ill patients with delirium

• by Danielle Hunziker, Tatjana Zehnder, Madlaina Forster, Anna Estermann, Núria Zellweger, Jan Huber, Andrea Blum, Salim Abdelhamid, Fenna Stolte, Lua Maria Mengisen, Christian Cajochen, Vitaliy Kolodyazhniy, Martin Siegemund, Alexa Hollinger

• April 10, 2026

Insomnia May Raise Ischemic Stroke Risk

Systematic review found stronger stroke associations when insomnia was clinically diagnosed

• by Andrea Surnit

• April 28, 2026

• 3 min

Side Effects: Salt, Steroids, and Second Brains

So get this: sodium may track with memory decline (in men), steroids might not be “immunosuppressive” in the ICU, and second pregnancies reshape the brain differently than first. Same theme: biology is less binary than we teach it.

• by Kerri Miller

• April 22, 2026

• 7 min

Post-stroke insomnia: multidimensional mechanisms, clinical heterogeneity, and toward mechanism-informed, objectively quantified management

• by Jinlian Liao, Jijie Peng, Yi Wang, Yan Wei, Jiamin Wu

• May 4, 2026