Task

Write a program that does the following in this order:

 Input an amount of time to sleep in whatever units are most natural for your language (milliseconds, seconds, ticks, etc.). This unit should be noted in comments or in a description.
 Print "Sleeping..."
 Sleep the main thread for the given amount of time.
 Print "Awake!"
 End.


Related task

   Nautical bell


#import <Foundation/Foundation.h>
 
int main()
{
  @autoreleasepool {
 
    NSTimeInterval sleeptime;
    printf("wait time in seconds: ");
    scanf("%f", &sleeptime);
 
    NSLog(@"sleeping...");
    [NSThread sleepForTimeInterval: sleeptime];
    NSLog(@"awakening...");
 
  }
  return 0;
}