Sleep & development

The age a model assigns you

When software estimates how fast a brain is ageing, a private process becomes a score. Identity and threat follow the number — not, automatically, the tissue.

Nou Heravi

Sleep that does not have to be earned

A wearable that shifts REM without a pill is a real, early result. What it is not, yet, is a new moral of the night.

Nou Heravi

The classroom without a pocket

Phone bans are not a morality play. They are a mixed empirical literature about attention, equity, and what a developing control system is asked to practise.

Nou Heravi

Notification debt: the invisible cognitive tax

Every unread badge is a half-open loop. The cost is not the glance. It is the residue in working memory.

Screens and teenage sleep: what the mixed science actually says

Public debate treats “screen time” as one exposure. The literature is more granular — evening light, interruption, and displaced opportunity — and still serious enough for design.

Nou Heravi

Why video calls drain social attention faster than rooms do

Back-to-back video days often feel heavier than rooms. A theoretical account names the load. It is not a universal law of the medium.

Nou Heravi