Night Light Assistant

const int BLUE_LED_N1 = 12;
const int BLUE_LED_N2 = 11;
const int BLUE_LED_N3 = 10;
const int BLUE_LED_N4 = 9;
const int BLUE_LED_N5 = 8;

const int PIR_MODULE = 7;
const int LIGHT_SENSOR = 6;

const int LEDS_NUMBER = 5;
int leds [LEDS_NUMBER] = {BLUE_LED_N1, BLUE_LED_N2, BLUE_LED_N3, BLUE_LED_N4, BLUE_LED_N5};

void setup() {
  // put your setup code here, to run once:
  for(int i=0; i<LEDS_NUMBER; i++){pinMode(leds[i], OUTPUT);}
  pinMode(PIR_MODULE, INPUT);

}

void loop() {
  if(digitalRead(PIR_MODULE)==HIGH)
  {
    for(int i=0; i<LEDS_NUMBER; i++)
    {
      digitalWrite(leds[i], HIGH);
    } delay(20000);
  }
  else
  {
    for(int i=0; i<LEDS_NUMBER; i++)
      {
        digitalWrite(leds[i], LOW);
      }
  }
}