“ At least a quarter of South Africans are functioning on half throttle [at half their potential] due to sleep deprivation or disorders, ” states the South African newspaper The Natal Witness.
” Sedikitnya seperempat warga Afrika Selatan hanya menggunakan setengah kapasitas potensialnya akibat tidur yang kurang atau tidak teratur, ” kata surat kabar The Natal Witness.