Toward Sustainable Gentle Awakenings and Sleep Inertia Mitigation: A Low-Cost IoT-Based Adaptable Lighting and Temperature Control Approach

Tan-Jan Ho, Min-Yan Huang, Meng-Yu Chou, Bo-Han Huang and Ru-En Zhuang
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Tan-Jan Ho: Department of Electrical Engineering, Chung-Yuan Christian University, 200 Chung-Pei Road, Chung-Li District, Taoyuan 32023, Taiwan
Min-Yan Huang: Department of Electrical Engineering, Chung-Yuan Christian University, 200 Chung-Pei Road, Chung-Li District, Taoyuan 32023, Taiwan
Meng-Yu Chou: Department of Electrical Engineering, Chung-Yuan Christian University, 200 Chung-Pei Road, Chung-Li District, Taoyuan 32023, Taiwan
Bo-Han Huang: Department of Electrical Engineering, Chung-Yuan Christian University, 200 Chung-Pei Road, Chung-Li District, Taoyuan 32023, Taiwan
Ru-En Zhuang: Department of Electrical Engineering, Chung-Yuan Christian University, 200 Chung-Pei Road, Chung-Li District, Taoyuan 32023, Taiwan

Sustainability, 2022, vol. 14, issue 13, 1-21

Abstract: In this paper, our design aims to assist in sleep inertia reduction and avoid the startle response and irritation caused by alarm-made unpleasant wakeup stimuli. Thus, we propose an approach that employs a soft and alerting sunrise simulation, conditionally utilizes natural light, and appropriately lowers the bedroom temperature for awakening a sleeper tenderly and gradually to gain full alertness. This approach is inspired by known scientific implications confirming the effectiveness of lights and temperatures on wakefulness. In this regard, we present an economical do-it-yourself digital tech-assisted system for bedroom lighting and temperature control. The system design is based on the smartphone and Internet of Things (IoT) technology. We develop the hardware and software in the system for implementing three IoT-based control tasks. One is the tuning of artificial light brightness using the pulse width modulation technique. Another is the opening of the window curtain using stepper motor control and light detection. The other is the activation of the air-conditioning setting using an infrared remote control and temperature detection. We construct a testbed for conducting experiments. Experimental results demonstrate that the proposed system can execute task requirements satisfactorily. The proposed system is promising for achieving our goal. It embodies features of sustainability.

Keywords: sustainability; gentle awakening; sleep inertia reduction; lighting control; sunrise simulation; natural light utilization; temperature control; smartphone; Internet of Things (IoT); MicroController Unit (MCU) (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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