Smartphone interruptions ruin concentration on average for 23 minutes. Airplane mode creates focused work phases and stops unwanted background transmissions, providing additional protection when using public networks.
Use reminder apps for regular offline times, switch to airplane mode an hour before sleeping, and if necessary, opt for accessories from supermarkets like Lidl or DM. One personal account describes a summer in an allotment garden without internet, with a book and peace — heavenly.