أرسل هذا في رسالة قصيرة: Habitual sleep duration of coaches during in-competition and out-of-competition

__    __     ___      ______    ______     _____  
\ \\ / //   / _ \\   /_   _//  /_   _//   / ___// 
 \ \/ //   | / \ ||  `-| |,-    -| ||-    \___ \\ 
  \  //    | \_/ ||    | ||     _| ||_    /    // 
   \//      \___//     |_||    /_____//  /____//  
    `       `---`      `-`'    `-----`  `-----`