Listening to binaural beats may increase sleep depth (deep sleep/slow-wave sleep) through a brainwave entrainment phenomenon, although the exact mechanism is still debated.

noli's read

The concept of binaural beats is based on an auditory illusion created by the brain, which is scientifically accurate. Regarding sleep, studies such as the one published in 'Nature Scientific Reports' (RCT) suggest that exposure to specific frequencies may promote delta waves, which are associated with deep sleep. However, it is important to note that the current scientific literature remains heterogeneous: while some studies show benefits regarding perceived quality or sleep architecture, other meta-analyses highlight that the evidence is still limited by small sample sizes and variable methodology. The claim that the brain 'does not sleep longer, but more deeply' is an interesting interpretation but must be nuanced, as the effect can vary considerably from one individual to another. This is not a miracle solution, but a complementary tool whose neurobiological foundations still deserve to be further explored through larger-scale research.

the sources

No named source held this one up — that absence is part of the verdict.