Python Sleep Function/Method Code Example

What is sleep() function/method in Python Programming?

In computer programming sleep is an inactive state for a period of time for execution of a process, task, or thread.

In Python programming sleep() function/method is used to suspend the execution of a program for the provided number of seconds as an input parameter.

Python Sleep Syntax:

time.sleep(time)

Parameter/Argument:  time -> Number of seconds for which the execution is to be suspended.

Return value: sleep function does not return any value back.

Sleep Python Code Examples:

Example 1: sleep() for 10 seconds

# Example 1: Sleep for 10 seconds after saying Hello world!

import time

print("Hello World, We will wait for 10 seconds before saying bye!")
time.sleep(5)
print("Program completed...")

Example 2: sleep() for 10 seconds

# Example 2: One-minute countdown using sleep()

print("60 minute countdown started!")

for x in range(60, 0, -1):
  time.sleep(1)
  print(x)

print("60 minute countdown completed!")

Example 3: Digital Clock using sleep():

import time
import os

while True:
  os.system('cls') # Clear Screen
  print(time.strftime("%I:%M:%S %p", time.localtime()))
  time.sleep(1)

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References:

sleep() function documentation: https://docs.python.org/3/library/time.html#time.sleep