void main()
{
    object oPlayer = GetLastPCRested();

    if (GetLastRestEventType() == REST_EVENTTYPE_REST_STARTED)
    {
        effect eSleep = EffectVisualEffect(VFX_IMP_SLEEP);

        int iLastHourRest = GetLocalInt(oPlayer, "LastHourRest");
        int iLastDayRest = GetLocalInt(oPlayer, "LastDayRest");
        int iLastYearRest = GetLocalInt(oPlayer, "LastYearRest");
        int iLastMonthRest = GetLocalInt(oPlayer, "LastMonthRest");
        int iHour = GetTimeHour();
        int iDay  = GetCalendarDay();
        int iYear = GetCalendarYear();
        int iMonth = GetCalendarMonth();
        int iHowLong = 0;
        int iSum = iLastHourRest + iLastDayRest + iLastYearRest + iLastMonthRest;

        if (iLastYearRest != iYear)
            iMonth = iMonth + 12;
        if (iLastMonthRest != iMonth)
            iDay = iDay + 28;
        if (iDay != iLastDayRest)
            iHour = iHour + 24 * (iDay - iLastDayRest);

        iHowLong = iHour - iLastHourRest;

        if ((iHowLong < 8) && (iSum != 0))
        {
            AssignCommand(oPlayer, ClearAllActions());
            string msg = "You may rest again in " + IntToString(8-iHowLong) + " hours.";
            SendMessageToPC(oPlayer, msg);
        }
        else
        {
            ApplyEffectToObject(DURATION_TYPE_TEMPORARY, eSleep, oPlayer, 7.0);
            DelayCommand(9.0, ApplyEffectToObject(DURATION_TYPE_TEMPORARY, eSleep, oPlayer, 7.0));
        }
    }
    else if (GetLastRestEventType() == REST_EVENTTYPE_REST_FINISHED)
    {
        SetLocalInt(oPlayer, "LastHourRest", GetTimeHour());
        SetLocalInt(oPlayer, "LastDayRest", GetCalendarDay());
        SetLocalInt(oPlayer, "LastMonthRest", GetCalendarMonth());
        SetLocalInt(oPlayer, "LastYearRest", GetCalendarYear());
    }
}