Un giovane su due, in Svizzera, non si sente riposato durante la settimana. A compromettere la qualità del sonno, secondo una ricerca dell'Alta scuola zurighese di scienze applicate (ZHAW), sono in particolare feste e ritrovi, videogiochi e l'uso eccessivo dei telefonini.
Lo studio si basa un un campione di un migliaio di ragazzi e ragazze, fra i 12 e i 19 anni, in tutta la Svizzera. La maggior parte degli interpellati riferisce di dormire fra le 8 e le 8 ore e mezzo per notte. Cionondimeno, la metà di loro avverte una sensazione di riposo scarso o nullo.
In evidenza, nello studio, l'uso degli smartphone per inviare foto e video prima di coricarsi e, più in genere, il loro utilizzo come sveglia. Gli autori concludono che la disponibilità degli smartphone e di altri strumenti di comunicazione hanno un forte influsso sui problemi del sonno.
ATS/ARi
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