// Pin connected to the potentiometer
const int potPin = A0; 

// Stores sleep state
String lastSleepStatus = "";

void setup() {
  Serial.begin(9600);
  pinMode(potPin, INPUT);
  Serial.println("Sleep Monitor Initialized");
}

void loop() {
  // Read the potentiometer
  int potValue = analogRead(potPin); 
  String currentSleepStatus;

  // Simulate the different sleep states of the pet
  if (potValue < 256) {
    currentSleepStatus = "awake";
  } else if (potValue < 512) {
    currentSleepStatus = "light";
  } else if (potValue < 768) {
    currentSleepStatus = "deep";
  } else {
    currentSleepStatus = "REM";
  }

  // Output current sleep state
  Serial.println("Current sleep status: " + currentSleepStatus);

  // Check if sleep was interrupted
  if (lastSleepStatus == "deep" && currentSleepStatus == "awake") {
    Serial.println("Sleep was interrupted");
  }

  lastSleepStatus = currentSleepStatus;

  delay(500); 
}