A research review has found that evidence supporting early brain ageing in people with narcolepsy does not appear consistently, despite severe sleep disruption. The finding is unusual given earlier studies linking sleep disorders to cognitive decline and dementia. Researchers reviewed prior studies on type 1 narcolepsy and brain ageing and pointed to orexin deficiency as a possible factor. They said this does not mean the condition prevents dementia.

Enterprise stablecoin banking platform Jeevs has raised $110 million, with the round led by CoinFund and joined by AllianceBernstein, Andreessen Horowitz, Coinbase Ventures, GIC and Y Combinator. The company said revenue quadrupled in 14 months and annualised card and payment volume more than tripled to over $5 billion. Stablecoin volume grew to $1.5 billion annualised. Jeevs plans to expand stablecoin card service to 35 countries and introduced a wallet and AI spend tracking.